51291890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23209}}^1$

素因数の和:23246

約数の個数: 32

約数和(自身を含む): 105280560

約数和(自身を除く): 53988670

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 23209, 46418, 116045, 232090, 301717, 394553, 603434, 789106, 1508585, 1972765, 3017170, 3945530, 5129189, 10258378, 25645945, 51291890]

約数ペア:

[(1, 51291890), (2, 25645945), (5, 10258378), (10, 5129189), (13, 3945530), (17, 3017170), (26, 1972765), (34, 1508585), (65, 789106), (85, 603434), (130, 394553), (170, 301717), (221, 232090), (442, 116045), (1105, 46418), (2210, 23209)]