81961838

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{503}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 143410176

約数和(自身を除く): 61448338

約数列:

[1, 2, 7, 14, 103, 113, 206, 226, 503, 721, 791, 1006, 1442, 1582, 3521, 7042, 11639, 23278, 51809, 56839, 81473, 103618, 113678, 162946, 362663, 397873, 725326, 795746, 5854417, 11708834, 40980919, 81961838]

約数ペア:

[(1, 81961838), (2, 40980919), (7, 11708834), (14, 5854417), (103, 795746), (113, 725326), (206, 397873), (226, 362663), (503, 162946), (721, 113678), (791, 103618), (1006, 81473), (1442, 56839), (1582, 51809), (3521, 23278), (7042, 11639)]