31947444

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 84913920

約数和(自身を除く): 52966476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 71, 87, 116, 142, 174, 213, 261, 284, 348, 426, 431, 522, 639, 852, 862, 1044, 1278, 1293, 1724, 2059, 2556, 2586, 3879, 4118, 5172, 6177, 7758, 8236, 12354, 12499, 15516, 18531, 24708, 24998, 30601, 37062, 37497, 49996, 61202, 74124, 74994, 91803, 112491, 122404, 149988, 183606, 224982, 275409, 367212, 449964, 550818, 887429, 1101636, 1774858, 2662287, 3549716, 5324574, 7986861, 10649148, 15973722, 31947444]

約数ペア:

[(1, 31947444), (2, 15973722), (3, 10649148), (4, 7986861), (6, 5324574), (9, 3549716), (12, 2662287), (18, 1774858), (29, 1101636), (36, 887429), (58, 550818), (71, 449964), (87, 367212), (116, 275409), (142, 224982), (174, 183606), (213, 149988), (261, 122404), (284, 112491), (348, 91803), (426, 74994), (431, 74124), (522, 61202), (639, 49996), (852, 37497), (862, 37062), (1044, 30601), (1278, 24998), (1293, 24708), (1724, 18531), (2059, 15516), (2556, 12499), (2586, 12354), (3879, 8236), (4118, 7758), (5172, 6177)]