28900017684

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{1811}}^1\times {\mathrm{19273}}^1$

素因数の和:21117

約数の個数: 72

約数和(自身を含む): 76275081792

約数和(自身を除く): 47375064108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 1811, 3622, 5433, 7244, 10866, 16299, 19273, 21732, 32598, 38546, 41653, 57819, 65196, 77092, 83306, 115638, 124959, 166612, 173457, 231276, 249918, 346914, 374877, 443279, 499836, 693828, 749754, 886558, 1329837, 1499508, 1773116, 2659674, 3989511, 5319348, 7979022, 15958044, 34903403, 69806806, 104710209, 139613612, 209420418, 314130627, 418840836, 628261254, 802778269, 1256522508, 1605556538, 2408334807, 3211113076, 4816669614, 7225004421, 9633339228, 14450008842, 28900017684]

約数ペア:

[(1, 28900017684), (2, 14450008842), (3, 9633339228), (4, 7225004421), (6, 4816669614), (9, 3211113076), (12, 2408334807), (18, 1605556538), (23, 1256522508), (36, 802778269), (46, 628261254), (69, 418840836), (92, 314130627), (138, 209420418), (207, 139613612), (276, 104710209), (414, 69806806), (828, 34903403), (1811, 15958044), (3622, 7979022), (5433, 5319348), (7244, 3989511), (10866, 2659674), (16299, 1773116), (19273, 1499508), (21732, 1329837), (32598, 886558), (38546, 749754), (41653, 693828), (57819, 499836), (65196, 443279), (77092, 374877), (83306, 346914), (115638, 249918), (124959, 231276), (166612, 173457)]