1261056

素因数分解:

$2^9\times 3^1\times {\mathrm{821}}^1$

素因数の和:842

約数の個数: 40

約数和(自身を含む): 3363624

約数和(自身を除く): 2102568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 821, 1536, 1642, 2463, 3284, 4926, 6568, 9852, 13136, 19704, 26272, 39408, 52544, 78816, 105088, 157632, 210176, 315264, 420352, 630528, 1261056]

約数ペア:

[(1, 1261056), (2, 630528), (3, 420352), (4, 315264), (6, 210176), (8, 157632), (12, 105088), (16, 78816), (24, 52544), (32, 39408), (48, 26272), (64, 19704), (96, 13136), (128, 9852), (192, 6568), (256, 4926), (384, 3284), (512, 2463), (768, 1642), (821, 1536)]