64115870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70457}}^1$

素因数の和:70484

約数の個数: 32

約数和(自身を含む): 142043328

約数和(自身を除く): 77927458

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 70457, 140914, 352285, 493199, 704570, 915941, 986398, 1831882, 2465995, 4579705, 4931990, 6411587, 9159410, 12823174, 32057935, 64115870]

約数ペア:

[(1, 64115870), (2, 32057935), (5, 12823174), (7, 9159410), (10, 6411587), (13, 4931990), (14, 4579705), (26, 2465995), (35, 1831882), (65, 986398), (70, 915941), (91, 704570), (130, 493199), (182, 352285), (455, 140914), (910, 70457)]