219796668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{397}}^1$

素因数の和:453

約数の個数: 144

約数和(自身を含む): 689590720

約数和(自身を除く): 469794052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 169, 182, 234, 252, 273, 338, 364, 397, 468, 507, 546, 676, 794, 819, 1014, 1092, 1183, 1191, 1521, 1588, 1638, 2028, 2197, 2366, 2382, 2779, 3042, 3276, 3549, 3573, 4394, 4732, 4764, 5161, 5558, 6084, 6591, 7098, 7146, 8337, 8788, 10322, 10647, 11116, 13182, 14196, 14292, 15379, 15483, 16674, 19773, 20644, 21294, 25011, 26364, 30758, 30966, 33348, 36127, 39546, 42588, 46137, 46449, 50022, 61516, 61932, 67093, 72254, 79092, 92274, 92898, 100044, 108381, 134186, 138411, 144508, 184548, 185796, 201279, 216762, 268372, 276822, 325143, 402558, 433524, 469651, 553644, 603837, 650286, 805116, 872209, 939302, 1207674, 1300572, 1408953, 1744418, 1878604, 2415348, 2616627, 2817906, 3488836, 4226859, 5233254, 5635812, 6105463, 7849881, 8453718, 10466508, 12210926, 15699762, 16907436, 18316389, 24421852, 31399524, 36632778, 54949167, 73265556, 109898334, 219796668]

約数ペア:

[(1, 219796668), (2, 109898334), (3, 73265556), (4, 54949167), (6, 36632778), (7, 31399524), (9, 24421852), (12, 18316389), (13, 16907436), (14, 15699762), (18, 12210926), (21, 10466508), (26, 8453718), (28, 7849881), (36, 6105463), (39, 5635812), (42, 5233254), (52, 4226859), (63, 3488836), (78, 2817906), (84, 2616627), (91, 2415348), (117, 1878604), (126, 1744418), (156, 1408953), (169, 1300572), (182, 1207674), (234, 939302), (252, 872209), (273, 805116), (338, 650286), (364, 603837), (397, 553644), (468, 469651), (507, 433524), (546, 402558), (676, 325143), (794, 276822), (819, 268372), (1014, 216762), (1092, 201279), (1183, 185796), (1191, 184548), (1521, 144508), (1588, 138411), (1638, 134186), (2028, 108381), (2197, 100044), (2366, 92898), (2382, 92274), (2779, 79092), (3042, 72254), (3276, 67093), (3549, 61932), (3573, 61516), (4394, 50022), (4732, 46449), (4764, 46137), (5161, 42588), (5558, 39546), (6084, 36127), (6591, 33348), (7098, 30966), (7146, 30758), (8337, 26364), (8788, 25011), (10322, 21294), (10647, 20644), (11116, 19773), (13182, 16674), (14196, 15483), (14292, 15379)]