80881636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{2239}}^1$

素因数の和:3075

約数の個数: 24

約数和(自身を含む): 154667520

約数和(自身を除く): 73785884

約数列:

[1, 2, 4, 11, 22, 44, 821, 1642, 2239, 3284, 4478, 8956, 9031, 18062, 24629, 36124, 49258, 98516, 1838219, 3676438, 7352876, 20220409, 40440818, 80881636]

約数ペア:

[(1, 80881636), (2, 40440818), (4, 20220409), (11, 7352876), (22, 3676438), (44, 1838219), (821, 98516), (1642, 49258), (2239, 36124), (3284, 24629), (4478, 18062), (8956, 9031)]