1645676890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1150823}}^1$

素因数の和:1150854

約数の個数: 32

約数和(自身を含む): 3480091776

約数和(自身を除く): 1834414886

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 1150823, 2301646, 5754115, 11508230, 12659053, 14960699, 25318106, 29921398, 63295265, 74803495, 126590530, 149606990, 164567689, 329135378, 822838445, 1645676890]

約数ペア:

[(1, 1645676890), (2, 822838445), (5, 329135378), (10, 164567689), (11, 149606990), (13, 126590530), (22, 74803495), (26, 63295265), (55, 29921398), (65, 25318106), (110, 14960699), (130, 12659053), (143, 11508230), (286, 5754115), (715, 2301646), (1430, 1150823)]