87218690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{2551}}^1$

素因数の和:2834

約数の個数: 32

約数和(自身を含む): 169779456

約数和(自身を除く): 82560766

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 263, 526, 1315, 2551, 2630, 3419, 5102, 6838, 12755, 17095, 25510, 33163, 34190, 66326, 165815, 331630, 670913, 1341826, 3354565, 6709130, 8721869, 17443738, 43609345, 87218690]

約数ペア:

[(1, 87218690), (2, 43609345), (5, 17443738), (10, 8721869), (13, 6709130), (26, 3354565), (65, 1341826), (130, 670913), (263, 331630), (526, 165815), (1315, 66326), (2551, 34190), (2630, 33163), (3419, 25510), (5102, 17095), (6838, 12755)]