53138785

素因数分解:

$5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2437}}^1$

素因数の和:2545

約数の個数: 24

約数和(自身を含む): 75041640

約数和(自身を除く): 21902855

約数列:

[1, 5, 7, 35, 49, 89, 245, 445, 623, 2437, 3115, 4361, 12185, 17059, 21805, 85295, 119413, 216893, 597065, 1084465, 1518251, 7591255, 10627757, 53138785]

約数ペア:

[(1, 53138785), (5, 10627757), (7, 7591255), (35, 1518251), (49, 1084465), (89, 597065), (245, 216893), (445, 119413), (623, 85295), (2437, 21805), (3115, 17059), (4361, 12185)]