1640890726

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{146849}}^1$

素因数の和:147039

約数の個数: 16

約数和(自身を含む): 2544616800

約数和(自身を除く): 903726074

約数列:

[1, 2, 37, 74, 151, 302, 5587, 11174, 146849, 293698, 5433413, 10866826, 22174199, 44348398, 820445363, 1640890726]

約数ペア:

[(1, 1640890726), (2, 820445363), (37, 44348398), (74, 22174199), (151, 10866826), (302, 5433413), (5587, 293698), (11174, 146849)]