81329530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{3767}}^1$

素因数の和:3918

約数の個数: 32

約数和(自身を含む): 156266496

約数和(自身を除く): 74936966

約数列:

[1, 2, 5, 10, 17, 34, 85, 127, 170, 254, 635, 1270, 2159, 3767, 4318, 7534, 10795, 18835, 21590, 37670, 64039, 128078, 320195, 478409, 640390, 956818, 2392045, 4784090, 8132953, 16265906, 40664765, 81329530]

約数ペア:

[(1, 81329530), (2, 40664765), (5, 16265906), (10, 8132953), (17, 4784090), (34, 2392045), (85, 956818), (127, 640390), (170, 478409), (254, 320195), (635, 128078), (1270, 64039), (2159, 37670), (3767, 21590), (4318, 18835), (7534, 10795)]