1620444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 4386816

約数和(自身を除く): 2766372

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 101, 191, 202, 303, 382, 404, 573, 606, 707, 764, 1146, 1212, 1337, 1414, 2121, 2292, 2674, 2828, 4011, 4242, 5348, 8022, 8484, 16044, 19291, 38582, 57873, 77164, 115746, 135037, 231492, 270074, 405111, 540148, 810222, 1620444]

約数ペア:

[(1, 1620444), (2, 810222), (3, 540148), (4, 405111), (6, 270074), (7, 231492), (12, 135037), (14, 115746), (21, 77164), (28, 57873), (42, 38582), (84, 19291), (101, 16044), (191, 8484), (202, 8022), (303, 5348), (382, 4242), (404, 4011), (573, 2828), (606, 2674), (707, 2292), (764, 2121), (1146, 1414), (1212, 1337)]