291267210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{746839}}^1$

素因数の和:746862

約数の個数: 32

約数和(自身を含む): 752814720

約数和(自身を除く): 461547510

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 746839, 1493678, 2240517, 3734195, 4481034, 7468390, 9708907, 11202585, 19417814, 22405170, 29126721, 48544535, 58253442, 97089070, 145633605, 291267210]

約数ペア:

[(1, 291267210), (2, 145633605), (3, 97089070), (5, 58253442), (6, 48544535), (10, 29126721), (13, 22405170), (15, 19417814), (26, 11202585), (30, 9708907), (39, 7468390), (65, 4481034), (78, 3734195), (130, 2240517), (195, 1493678), (390, 746839)]