209909512

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{3659}}^1$

素因数の和:3837

約数の個数: 32

約数和(自身を含む): 403185600

約数和(自身を除く): 193276088

約数列:

[1, 2, 4, 8, 71, 101, 142, 202, 284, 404, 568, 808, 3659, 7171, 7318, 14342, 14636, 28684, 29272, 57368, 259789, 369559, 519578, 739118, 1039156, 1478236, 2078312, 2956472, 26238689, 52477378, 104954756, 209909512]

約数ペア:

[(1, 209909512), (2, 104954756), (4, 52477378), (8, 26238689), (71, 2956472), (101, 2078312), (142, 1478236), (202, 1039156), (284, 739118), (404, 519578), (568, 369559), (808, 259789), (3659, 57368), (7171, 29272), (7318, 28684), (14342, 14636)]