80920238

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7907}}^1$

素因数の和:7976

約数の個数: 32

約数和(自身を含む): 150315264

約数和(自身を除く): 69395026

約数列:

[1, 2, 7, 14, 17, 34, 43, 86, 119, 238, 301, 602, 731, 1462, 5117, 7907, 10234, 15814, 55349, 110698, 134419, 268838, 340001, 680002, 940933, 1881866, 2380007, 4760014, 5780017, 11560034, 40460119, 80920238]

約数ペア:

[(1, 80920238), (2, 40460119), (7, 11560034), (14, 5780017), (17, 4760014), (34, 2380007), (43, 1881866), (86, 940933), (119, 680002), (238, 340001), (301, 268838), (602, 134419), (731, 110698), (1462, 55349), (5117, 15814), (7907, 10234)]