221400000016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{8125367}}^1$

素因数の和:8125519

約数の個数: 40

約数和(自身を含む): 465486081984

約数和(自身を除く): 244086081968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 131, 208, 262, 524, 1048, 1703, 2096, 3406, 6812, 13624, 27248, 8125367, 16250734, 32501468, 65002936, 105629771, 130005872, 211259542, 422519084, 845038168, 1064423077, 1690076336, 2128846154, 4257692308, 8515384616, 13837500001, 17030769232, 27675000002, 55350000004, 110700000008, 221400000016]

約数ペア:

[(1, 221400000016), (2, 110700000008), (4, 55350000004), (8, 27675000002), (13, 17030769232), (16, 13837500001), (26, 8515384616), (52, 4257692308), (104, 2128846154), (131, 1690076336), (208, 1064423077), (262, 845038168), (524, 422519084), (1048, 211259542), (1703, 130005872), (2096, 105629771), (3406, 65002936), (6812, 32501468), (13624, 16250734), (27248, 8125367)]