81880414

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{23117}}^1$

素因数の和:23160

約数の個数: 32

約数和(自身を含む): 159791616

約数和(自身を除く): 77911202

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 23117, 46234, 161819, 254287, 323638, 508574, 531691, 1063382, 1780009, 3560018, 3721837, 5848601, 7443674, 11697202, 40940207, 81880414]

約数ペア:

[(1, 81880414), (2, 40940207), (7, 11697202), (11, 7443674), (14, 5848601), (22, 3721837), (23, 3560018), (46, 1780009), (77, 1063382), (154, 531691), (161, 508574), (253, 323638), (322, 254287), (506, 161819), (1771, 46234), (3542, 23117)]