31683210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81239}}^1$

素因数の和:81262

約数の個数: 32

約数和(自身を含む): 81889920

約数和(自身を除く): 50206710

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 81239, 162478, 243717, 406195, 487434, 812390, 1056107, 1218585, 2112214, 2437170, 3168321, 5280535, 6336642, 10561070, 15841605, 31683210]

約数ペア:

[(1, 31683210), (2, 15841605), (3, 10561070), (5, 6336642), (6, 5280535), (10, 3168321), (13, 2437170), (15, 2112214), (26, 1218585), (30, 1056107), (39, 812390), (65, 487434), (78, 406195), (130, 243717), (195, 162478), (390, 81239)]