81101812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{659}}^1\times {\mathrm{2797}}^1$

素因数の和:3471

約数の個数: 24

約数和(自身を含む): 155121120

約数和(自身を除く): 74019308

約数列:

[1, 2, 4, 11, 22, 44, 659, 1318, 2636, 2797, 5594, 7249, 11188, 14498, 28996, 30767, 61534, 123068, 1843223, 3686446, 7372892, 20275453, 40550906, 81101812]

約数ペア:

[(1, 81101812), (2, 40550906), (4, 20275453), (11, 7372892), (22, 3686446), (44, 1843223), (659, 123068), (1318, 61534), (2636, 30767), (2797, 28996), (5594, 14498), (7249, 11188)]