49974925

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 83244672

約数和(自身を除く): 33269747

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 275, 325, 385, 455, 715, 1001, 1925, 1997, 2275, 3575, 5005, 9985, 13979, 21967, 25025, 25961, 49925, 69895, 109835, 129805, 153769, 181727, 285571, 349475, 549175, 649025, 768845, 908635, 1427855, 1998997, 3844225, 4543175, 7139275, 9994985, 49974925]

約数ペア:

[(1, 49974925), (5, 9994985), (7, 7139275), (11, 4543175), (13, 3844225), (25, 1998997), (35, 1427855), (55, 908635), (65, 768845), (77, 649025), (91, 549175), (143, 349475), (175, 285571), (275, 181727), (325, 153769), (385, 129805), (455, 109835), (715, 69895), (1001, 49925), (1925, 25961), (1997, 25025), (2275, 21967), (3575, 13979), (5005, 9985)]