80743355

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{523}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 121333248

約数和(自身を除く): 40589893

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 401, 523, 2005, 2615, 2807, 3661, 4411, 5753, 14035, 18305, 22055, 28765, 30877, 40271, 154385, 201355, 209723, 1048615, 1468061, 2306953, 7340305, 11534765, 16148671, 80743355]

約数ペア:

[(1, 80743355), (5, 16148671), (7, 11534765), (11, 7340305), (35, 2306953), (55, 1468061), (77, 1048615), (385, 209723), (401, 201355), (523, 154385), (2005, 40271), (2615, 30877), (2807, 28765), (3661, 22055), (4411, 18305), (5753, 14035)]