1721958672

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{523}}^1$

素因数の和:821

約数の個数: 160

約数和(自身を含む): 5239664640

約数和(自身を除く): 3517705968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 41, 42, 48, 56, 82, 84, 112, 123, 164, 168, 239, 246, 287, 328, 336, 478, 492, 523, 574, 656, 717, 861, 956, 984, 1046, 1148, 1434, 1569, 1673, 1722, 1912, 1968, 2092, 2296, 2868, 3138, 3346, 3444, 3661, 3824, 4184, 4592, 5019, 5736, 6276, 6692, 6888, 7322, 8368, 9799, 10038, 10983, 11472, 12552, 13384, 13776, 14644, 19598, 20076, 21443, 21966, 25104, 26768, 29288, 29397, 39196, 40152, 42886, 43932, 58576, 58794, 64329, 68593, 78392, 80304, 85772, 87864, 117588, 124997, 128658, 137186, 150101, 156784, 171544, 175728, 205779, 235176, 249994, 257316, 274372, 300202, 343088, 374991, 411558, 450303, 470352, 499988, 514632, 548744, 600404, 749982, 823116, 874979, 900606, 999976, 1029264, 1097488, 1200808, 1499964, 1646232, 1749958, 1801212, 1999952, 2401616, 2624937, 2999928, 3292464, 3499916, 3602424, 5124877, 5249874, 5999856, 6999832, 7204848, 10249754, 10499748, 13999664, 15374631, 20499508, 20999496, 30749262, 35874139, 40999016, 41998992, 61498524, 71748278, 81998032, 107622417, 122997048, 143496556, 215244834, 245994096, 286993112, 430489668, 573986224, 860979336, 1721958672]

約数ペア:

[(1, 1721958672), (2, 860979336), (3, 573986224), (4, 430489668), (6, 286993112), (7, 245994096), (8, 215244834), (12, 143496556), (14, 122997048), (16, 107622417), (21, 81998032), (24, 71748278), (28, 61498524), (41, 41998992), (42, 40999016), (48, 35874139), (56, 30749262), (82, 20999496), (84, 20499508), (112, 15374631), (123, 13999664), (164, 10499748), (168, 10249754), (239, 7204848), (246, 6999832), (287, 5999856), (328, 5249874), (336, 5124877), (478, 3602424), (492, 3499916), (523, 3292464), (574, 2999928), (656, 2624937), (717, 2401616), (861, 1999952), (956, 1801212), (984, 1749958), (1046, 1646232), (1148, 1499964), (1434, 1200808), (1569, 1097488), (1673, 1029264), (1722, 999976), (1912, 900606), (1968, 874979), (2092, 823116), (2296, 749982), (2868, 600404), (3138, 548744), (3346, 514632), (3444, 499988), (3661, 470352), (3824, 450303), (4184, 411558), (4592, 374991), (5019, 343088), (5736, 300202), (6276, 274372), (6692, 257316), (6888, 249994), (7322, 235176), (8368, 205779), (9799, 175728), (10038, 171544), (10983, 156784), (11472, 150101), (12552, 137186), (13384, 128658), (13776, 124997), (14644, 117588), (19598, 87864), (20076, 85772), (21443, 80304), (21966, 78392), (25104, 68593), (26768, 64329), (29288, 58794), (29397, 58576), (39196, 43932), (40152, 42886)]