221687856

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{118423}}^1$

素因数の和:118450

約数の個数: 60

約数和(自身を含む): 668148208

約数和(自身を除く): 446460352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 118423, 236846, 355269, 473692, 710538, 947384, 1065807, 1421076, 1539499, 1894768, 2131614, 2842152, 3078998, 4263228, 4618497, 5684304, 6157996, 8526456, 9236994, 12315992, 13855491, 17052912, 18473988, 24631984, 27710982, 36947976, 55421964, 73895952, 110843928, 221687856]

約数ペア:

[(1, 221687856), (2, 110843928), (3, 73895952), (4, 55421964), (6, 36947976), (8, 27710982), (9, 24631984), (12, 18473988), (13, 17052912), (16, 13855491), (18, 12315992), (24, 9236994), (26, 8526456), (36, 6157996), (39, 5684304), (48, 4618497), (52, 4263228), (72, 3078998), (78, 2842152), (104, 2131614), (117, 1894768), (144, 1539499), (156, 1421076), (208, 1065807), (234, 947384), (312, 710538), (468, 473692), (624, 355269), (936, 236846), (1872, 118423)]