408328676

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{887}}^1$

素因数の和:1340

約数の個数: 48

約数和(自身を含む): 839607552

約数和(自身を除く): 431278876

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 401, 574, 802, 887, 1148, 1604, 1774, 2807, 3548, 5614, 6209, 11228, 12418, 16441, 24836, 32882, 36367, 65764, 72734, 115087, 145468, 230174, 254569, 355687, 460348, 509138, 711374, 1018276, 1422748, 2489809, 4979618, 9959236, 14583167, 29166334, 58332668, 102082169, 204164338, 408328676]

約数ペア:

[(1, 408328676), (2, 204164338), (4, 102082169), (7, 58332668), (14, 29166334), (28, 14583167), (41, 9959236), (82, 4979618), (164, 2489809), (287, 1422748), (401, 1018276), (574, 711374), (802, 509138), (887, 460348), (1148, 355687), (1604, 254569), (1774, 230174), (2807, 145468), (3548, 115087), (5614, 72734), (6209, 65764), (11228, 36367), (12418, 32882), (16441, 24836)]