81282578

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{2381}}^1$

素因数の和:2510

約数の個数: 24

約数和(自身を含む): 133387236

約数和(自身を除く): 52104658

約数列:

[1, 2, 13, 26, 101, 169, 202, 338, 1313, 2381, 2626, 4762, 17069, 30953, 34138, 61906, 240481, 402389, 480962, 804778, 3126253, 6252506, 40641289, 81282578]

約数ペア:

[(1, 81282578), (2, 40641289), (13, 6252506), (26, 3126253), (101, 804778), (169, 480962), (202, 402389), (338, 240481), (1313, 61906), (2381, 34138), (2626, 30953), (4762, 17069)]