28813850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{457}}^1$

素因数の和:579

約数の個数: 48

約数和(自身を含む): 58438968

約数和(自身を除く): 29625118

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 97, 130, 194, 325, 457, 485, 650, 914, 970, 1261, 2285, 2425, 2522, 4570, 4850, 5941, 6305, 11425, 11882, 12610, 22850, 29705, 31525, 44329, 59410, 63050, 88658, 148525, 221645, 297050, 443290, 576277, 1108225, 1152554, 2216450, 2881385, 5762770, 14406925, 28813850]

約数ペア:

[(1, 28813850), (2, 14406925), (5, 5762770), (10, 2881385), (13, 2216450), (25, 1152554), (26, 1108225), (50, 576277), (65, 443290), (97, 297050), (130, 221645), (194, 148525), (325, 88658), (457, 63050), (485, 59410), (650, 44329), (914, 31525), (970, 29705), (1261, 22850), (2285, 12610), (2425, 11882), (2522, 11425), (4570, 6305), (4850, 5941)]