81652438

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{1061}}^1$

素因数の和:1332

約数の個数: 32

約数和(自身を含む): 146810880

約数和(自身を除く): 65158442

約数列:

[1, 2, 7, 14, 23, 46, 161, 239, 322, 478, 1061, 1673, 2122, 3346, 5497, 7427, 10994, 14854, 24403, 38479, 48806, 76958, 170821, 253579, 341642, 507158, 1775053, 3550106, 5832317, 11664634, 40826219, 81652438]

約数ペア:

[(1, 81652438), (2, 40826219), (7, 11664634), (14, 5832317), (23, 3550106), (46, 1775053), (161, 507158), (239, 341642), (322, 253579), (478, 170821), (1061, 76958), (1673, 48806), (2122, 38479), (3346, 24403), (5497, 14854), (7427, 10994)]