256267.0000000

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1483}}^1$

素因数の和:1540

約数の個数: 32

約数和(自身を含む): 14210784

約数和(自身を除く): 7077554

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 1483, 2405, 2966, 4810, 7415, 14830, 19279, 38558, 54871, 96395, 109742, 192790, 274355, 548710, 713323, 1426646, 3566615, 7133230]

約数ペア:

[(1, 7133230), (2, 3566615), (5, 1426646), (10, 713323), (13, 548710), (26, 274355), (37, 192790), (65, 109742), (74, 96395), (130, 54871), (185, 38558), (370, 19279), (481, 14830), (962, 7415), (1483, 4810), (2405, 2966)]