31089016

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 71424000

約数和(自身を除く): 40334984

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 61, 76, 122, 133, 152, 244, 266, 427, 479, 488, 532, 854, 958, 1064, 1159, 1708, 1916, 2318, 3353, 3416, 3832, 4636, 6706, 8113, 9101, 9272, 13412, 16226, 18202, 26824, 29219, 32452, 36404, 58438, 63707, 64904, 72808, 116876, 127414, 204533, 233752, 254828, 409066, 509656, 555161, 818132, 1110322, 1636264, 2220644, 3886127, 4441288, 7772254, 15544508, 31089016]

約数ペア:

[(1, 31089016), (2, 15544508), (4, 7772254), (7, 4441288), (8, 3886127), (14, 2220644), (19, 1636264), (28, 1110322), (38, 818132), (56, 555161), (61, 509656), (76, 409066), (122, 254828), (133, 233752), (152, 204533), (244, 127414), (266, 116876), (427, 72808), (479, 64904), (488, 63707), (532, 58438), (854, 36404), (958, 32452), (1064, 29219), (1159, 26824), (1708, 18202), (1916, 16226), (2318, 13412), (3353, 9272), (3416, 9101), (3832, 8113), (4636, 6706)]