131031110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{60383}}^1$

素因数の和:60428

約数の個数: 32

約数和(自身を含む): 278249472

約数和(自身を除く): 147218362

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 60383, 120766, 301915, 422681, 603830, 845362, 1871873, 2113405, 3743746, 4226810, 9359365, 13103111, 18718730, 26206222, 65515555, 131031110]

約数ペア:

[(1, 131031110), (2, 65515555), (5, 26206222), (7, 18718730), (10, 13103111), (14, 9359365), (31, 4226810), (35, 3743746), (62, 2113405), (70, 1871873), (155, 845362), (217, 603830), (310, 422681), (434, 301915), (1085, 120766), (2170, 60383)]