81789708

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:668

約数の個数: 144

約数和(自身を含む): 258594560

約数和(自身を除く): 176804852

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 121, 132, 143, 154, 156, 182, 231, 242, 273, 286, 308, 363, 364, 429, 462, 484, 546, 572, 619, 726, 847, 858, 924, 1001, 1092, 1238, 1452, 1573, 1694, 1716, 1857, 2002, 2476, 2541, 3003, 3146, 3388, 3714, 4004, 4333, 4719, 5082, 6006, 6292, 6809, 7428, 8047, 8666, 9438, 10164, 11011, 12012, 12999, 13618, 16094, 17332, 18876, 20427, 22022, 24141, 25998, 27236, 32188, 33033, 40854, 44044, 47663, 48282, 51996, 56329, 66066, 74899, 81708, 88517, 95326, 96564, 112658, 132132, 142989, 149798, 168987, 177034, 190652, 224697, 225316, 265551, 285978, 299596, 337974, 354068, 449394, 524293, 531102, 571956, 619619, 675948, 898788, 973687, 1048586, 1062204, 1239238, 1572879, 1858857, 1947374, 2097172, 2478476, 2921061, 3145758, 3717714, 3894748, 5842122, 6291516, 6815809, 7435428, 11684244, 13631618, 20447427, 27263236, 40894854, 81789708]

約数ペア:

[(1, 81789708), (2, 40894854), (3, 27263236), (4, 20447427), (6, 13631618), (7, 11684244), (11, 7435428), (12, 6815809), (13, 6291516), (14, 5842122), (21, 3894748), (22, 3717714), (26, 3145758), (28, 2921061), (33, 2478476), (39, 2097172), (42, 1947374), (44, 1858857), (52, 1572879), (66, 1239238), (77, 1062204), (78, 1048586), (84, 973687), (91, 898788), (121, 675948), (132, 619619), (143, 571956), (154, 531102), (156, 524293), (182, 449394), (231, 354068), (242, 337974), (273, 299596), (286, 285978), (308, 265551), (363, 225316), (364, 224697), (429, 190652), (462, 177034), (484, 168987), (546, 149798), (572, 142989), (619, 132132), (726, 112658), (847, 96564), (858, 95326), (924, 88517), (1001, 81708), (1092, 74899), (1238, 66066), (1452, 56329), (1573, 51996), (1694, 48282), (1716, 47663), (1857, 44044), (2002, 40854), (2476, 33033), (2541, 32188), (3003, 27236), (3146, 25998), (3388, 24141), (3714, 22022), (4004, 20427), (4333, 18876), (4719, 17332), (5082, 16094), (6006, 13618), (6292, 12999), (6809, 12012), (7428, 11011), (8047, 10164), (8666, 9438)]