9909005570

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{35617}}^1$

素因数の和:36314

約数の個数: 32

約数和(自身を含む): 18279727488

約数和(自身を除く): 8370721918

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 647, 1294, 3235, 6470, 27821, 35617, 55642, 71234, 139105, 178085, 278210, 356170, 1531531, 3063062, 7657655, 15315310, 23044199, 46088398, 115220995, 230441990, 990900557, 1981801114, 4954502785, 9909005570]

約数ペア:

[(1, 9909005570), (2, 4954502785), (5, 1981801114), (10, 990900557), (43, 230441990), (86, 115220995), (215, 46088398), (430, 23044199), (647, 15315310), (1294, 7657655), (3235, 3063062), (6470, 1531531), (27821, 356170), (35617, 278210), (55642, 178085), (71234, 139105)]