31415436

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3533}}^1$

素因数の和:3575

約数の個数: 72

約数和(自身を含む): 90046320

約数和(自身を除く): 58630884

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 3533, 4446, 7066, 8892, 10599, 14132, 21198, 31797, 42396, 45929, 63594, 67127, 91858, 127188, 134254, 137787, 183716, 201381, 268508, 275574, 402762, 413361, 551148, 604143, 805524, 826722, 872651, 1208286, 1653444, 1745302, 2416572, 2617953, 3490604, 5235906, 7853859, 10471812, 15707718, 31415436]

約数ペア:

[(1, 31415436), (2, 15707718), (3, 10471812), (4, 7853859), (6, 5235906), (9, 3490604), (12, 2617953), (13, 2416572), (18, 1745302), (19, 1653444), (26, 1208286), (36, 872651), (38, 826722), (39, 805524), (52, 604143), (57, 551148), (76, 413361), (78, 402762), (114, 275574), (117, 268508), (156, 201381), (171, 183716), (228, 137787), (234, 134254), (247, 127188), (342, 91858), (468, 67127), (494, 63594), (684, 45929), (741, 42396), (988, 31797), (1482, 21198), (2223, 14132), (2964, 10599), (3533, 8892), (4446, 7066)]