28938728

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 67522560

約数和(自身を除く): 38583832

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 127, 182, 254, 313, 364, 508, 626, 728, 889, 1016, 1252, 1651, 1778, 2191, 2504, 3302, 3556, 4069, 4382, 6604, 7112, 8138, 8764, 11557, 13208, 16276, 17528, 23114, 28483, 32552, 39751, 46228, 56966, 79502, 92456, 113932, 159004, 227864, 278257, 318008, 516763, 556514, 1033526, 1113028, 2067052, 2226056, 3617341, 4134104, 7234682, 14469364, 28938728]

約数ペア:

[(1, 28938728), (2, 14469364), (4, 7234682), (7, 4134104), (8, 3617341), (13, 2226056), (14, 2067052), (26, 1113028), (28, 1033526), (52, 556514), (56, 516763), (91, 318008), (104, 278257), (127, 227864), (182, 159004), (254, 113932), (313, 92456), (364, 79502), (508, 56966), (626, 46228), (728, 39751), (889, 32552), (1016, 28483), (1252, 23114), (1651, 17528), (1778, 16276), (2191, 13208), (2504, 11557), (3302, 8764), (3556, 8138), (4069, 7112), (4382, 6604)]