25317215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3461}}^1$

素因数の和:3503

約数の個数: 32

約数和(自身を含む): 39882240

約数和(自身を除く): 14565025

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 3461, 7315, 17305, 24227, 38071, 65759, 121135, 190355, 266497, 328795, 460313, 723349, 1332485, 2301565, 3616745, 5063443, 25317215]

約数ペア:

[(1, 25317215), (5, 5063443), (7, 3616745), (11, 2301565), (19, 1332485), (35, 723349), (55, 460313), (77, 328795), (95, 266497), (133, 190355), (209, 121135), (385, 65759), (665, 38071), (1045, 24227), (1463, 17305), (3461, 7315)]