398279472

素因数分解:

$2^4\times 3^1\times {\mathrm{421}}^1\times {\mathrm{19709}}^1$

素因数の和:20141

約数の個数: 40

約数和(自身を含む): 1031384880

約数和(自身を除く): 633105408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 421, 842, 1263, 1684, 2526, 3368, 5052, 6736, 10104, 19709, 20208, 39418, 59127, 78836, 118254, 157672, 236508, 315344, 473016, 946032, 8297489, 16594978, 24892467, 33189956, 49784934, 66379912, 99569868, 132759824, 199139736, 398279472]

約数ペア:

[(1, 398279472), (2, 199139736), (3, 132759824), (4, 99569868), (6, 66379912), (8, 49784934), (12, 33189956), (16, 24892467), (24, 16594978), (48, 8297489), (421, 946032), (842, 473016), (1263, 315344), (1684, 236508), (2526, 157672), (3368, 118254), (5052, 78836), (6736, 59127), (10104, 39418), (19709, 20208)]