39905908

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 81978624

約数和(自身を除く): 42072716

約数列:

[1, 2, 4, 7, 14, 28, 101, 103, 137, 202, 206, 274, 404, 412, 548, 707, 721, 959, 1414, 1442, 1918, 2828, 2884, 3836, 10403, 13837, 14111, 20806, 27674, 28222, 41612, 55348, 56444, 72821, 96859, 98777, 145642, 193718, 197554, 291284, 387436, 395108, 1425211, 2850422, 5700844, 9976477, 19952954, 39905908]

約数ペア:

[(1, 39905908), (2, 19952954), (4, 9976477), (7, 5700844), (14, 2850422), (28, 1425211), (101, 395108), (103, 387436), (137, 291284), (202, 197554), (206, 193718), (274, 145642), (404, 98777), (412, 96859), (548, 72821), (707, 56444), (721, 55348), (959, 41612), (1414, 28222), (1442, 27674), (1918, 20806), (2828, 14111), (2884, 13837), (3836, 10403)]