213567250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{65713}}^1$

素因数の和:65743

約数の個数: 32

約数和(自身を含む): 430558128

約数和(自身を除く): 216990878

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 65713, 131426, 328565, 657130, 854269, 1642825, 1708538, 3285650, 4271345, 8214125, 8542690, 16428250, 21356725, 42713450, 106783625, 213567250]

約数ペア:

[(1, 213567250), (2, 106783625), (5, 42713450), (10, 21356725), (13, 16428250), (25, 8542690), (26, 8214125), (50, 4271345), (65, 3285650), (125, 1708538), (130, 1642825), (250, 854269), (325, 657130), (650, 328565), (1625, 131426), (3250, 65713)]