74659975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:508

約数の個数: 36

約数和(自身を含む): 102930912

約数和(自身を除く): 28270937

約数列:

[1, 5, 13, 25, 41, 65, 169, 205, 325, 431, 533, 845, 1025, 2155, 2665, 4225, 5603, 6929, 10775, 13325, 17671, 28015, 34645, 72839, 88355, 140075, 173225, 229723, 364195, 441775, 1148615, 1820975, 2986399, 5743075, 14931995, 74659975]

約数ペア:

[(1, 74659975), (5, 14931995), (13, 5743075), (25, 2986399), (41, 1820975), (65, 1148615), (169, 441775), (205, 364195), (325, 229723), (431, 173225), (533, 140075), (845, 88355), (1025, 72839), (2155, 34645), (2665, 28015), (4225, 17671), (5603, 13325), (6929, 10775)]