221015984

素因数分解:

$2^4\times 7^1\times {\mathrm{607}}^1\times {\mathrm{3251}}^1$

素因数の和:3873

約数の個数: 40

約数和(自身を含む): 490349568

約数和(自身を除く): 269333584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 607, 1214, 2428, 3251, 4249, 4856, 6502, 8498, 9712, 13004, 16996, 22757, 26008, 33992, 45514, 52016, 67984, 91028, 182056, 364112, 1973357, 3946714, 7893428, 13813499, 15786856, 27626998, 31573712, 55253996, 110507992, 221015984]

約数ペア:

[(1, 221015984), (2, 110507992), (4, 55253996), (7, 31573712), (8, 27626998), (14, 15786856), (16, 13813499), (28, 7893428), (56, 3946714), (112, 1973357), (607, 364112), (1214, 182056), (2428, 91028), (3251, 67984), (4249, 52016), (4856, 45514), (6502, 33992), (8498, 26008), (9712, 22757), (13004, 16996)]