249950870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{28697}}^1$

素因数の和:28784

約数の個数: 32

約数和(自身を含む): 491768928

約数和(自身を除く): 241818058

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 4355, 8710, 28697, 57394, 143485, 286970, 373061, 746122, 1865305, 1922699, 3730610, 3845398, 9613495, 19226990, 24995087, 49990174, 124975435, 249950870]

約数ペア:

[(1, 249950870), (2, 124975435), (5, 49990174), (10, 24995087), (13, 19226990), (26, 9613495), (65, 3845398), (67, 3730610), (130, 1922699), (134, 1865305), (335, 746122), (670, 373061), (871, 286970), (1742, 143485), (4355, 57394), (8710, 28697)]