78427834

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 128894976

約数和(自身を除く): 50467142

約数列:

[1, 2, 17, 34, 41, 82, 127, 254, 443, 697, 886, 1394, 2159, 4318, 5207, 7531, 10414, 15062, 18163, 36326, 56261, 88519, 112522, 177038, 308771, 617542, 956437, 1912874, 2306701, 4613402, 39213917, 78427834]

約数ペア:

[(1, 78427834), (2, 39213917), (17, 4613402), (34, 2306701), (41, 1912874), (82, 956437), (127, 617542), (254, 308771), (443, 177038), (697, 112522), (886, 88519), (1394, 56261), (2159, 36326), (4318, 18163), (5207, 15062), (7531, 10414)]