209337908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{6977}}^1$

素因数の和:7571

約数の個数: 24

約数和(自身を含む): 395261832

約数和(自身を除く): 185923924

約数列:

[1, 2, 4, 13, 26, 52, 577, 1154, 2308, 6977, 7501, 13954, 15002, 27908, 30004, 90701, 181402, 362804, 4025729, 8051458, 16102916, 52334477, 104668954, 209337908]

約数ペア:

[(1, 209337908), (2, 104668954), (4, 52334477), (13, 16102916), (26, 8051458), (52, 4025729), (577, 362804), (1154, 181402), (2308, 90701), (6977, 30004), (7501, 27908), (13954, 15002)]