73212490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43321}}^1$

素因数の和:43354

約数の個数: 24

約数和(自身を含む): 142702668

約数和(自身を除く): 69490178

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 43321, 86642, 216605, 433210, 563173, 1126346, 2815865, 5631730, 7321249, 14642498, 36606245, 73212490]

約数ペア:

[(1, 73212490), (2, 36606245), (5, 14642498), (10, 7321249), (13, 5631730), (26, 2815865), (65, 1126346), (130, 563173), (169, 433210), (338, 216605), (845, 86642), (1690, 43321)]