7421390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 13992480

約数和(自身を除く): 6571090

約数列:

[1, 2, 5, 10, 29, 58, 145, 157, 163, 290, 314, 326, 785, 815, 1570, 1630, 4553, 4727, 9106, 9454, 22765, 23635, 25591, 45530, 47270, 51182, 127955, 255910, 742139, 1484278, 3710695, 7421390]

約数ペア:

[(1, 7421390), (2, 3710695), (5, 1484278), (10, 742139), (29, 255910), (58, 127955), (145, 51182), (157, 47270), (163, 45530), (290, 25591), (314, 23635), (326, 22765), (785, 9454), (815, 9106), (1570, 4727), (1630, 4553)]