258587792

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:807

約数の個数: 40

約数和(自身を含む): 507354432

約数和(自身を除く): 248766640

約数列:

[1, 2, 4, 8, 16, 157, 311, 314, 331, 622, 628, 662, 1244, 1256, 1324, 2488, 2512, 2648, 4976, 5296, 48827, 51967, 97654, 102941, 103934, 195308, 205882, 207868, 390616, 411764, 415736, 781232, 823528, 831472, 1647056, 16161737, 32323474, 64646948, 129293896, 258587792]

約数ペア:

[(1, 258587792), (2, 129293896), (4, 64646948), (8, 32323474), (16, 16161737), (157, 1647056), (311, 831472), (314, 823528), (331, 781232), (622, 415736), (628, 411764), (662, 390616), (1244, 207868), (1256, 205882), (1324, 195308), (2488, 103934), (2512, 102941), (2648, 97654), (4976, 51967), (5296, 48827)]