31691688

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 95800320

約数和(自身を除く): 64108632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 43, 56, 82, 84, 86, 107, 123, 129, 164, 168, 172, 214, 246, 258, 287, 301, 321, 328, 344, 428, 492, 516, 574, 602, 642, 749, 856, 861, 903, 984, 1032, 1148, 1204, 1284, 1498, 1722, 1763, 1806, 2247, 2296, 2408, 2568, 2996, 3444, 3526, 3612, 4387, 4494, 4601, 5289, 5992, 6888, 7052, 7224, 8774, 8988, 9202, 10578, 12341, 13161, 13803, 14104, 17548, 17976, 18404, 21156, 24682, 26322, 27606, 30709, 32207, 35096, 36808, 37023, 42312, 49364, 52644, 55212, 61418, 64414, 74046, 92127, 96621, 98728, 105288, 110424, 122836, 128828, 148092, 184254, 188641, 193242, 245672, 257656, 296184, 368508, 377282, 386484, 565923, 737016, 754564, 772968, 1131846, 1320487, 1509128, 2263692, 2640974, 3961461, 4527384, 5281948, 7922922, 10563896, 15845844, 31691688]

約数ペア:

[(1, 31691688), (2, 15845844), (3, 10563896), (4, 7922922), (6, 5281948), (7, 4527384), (8, 3961461), (12, 2640974), (14, 2263692), (21, 1509128), (24, 1320487), (28, 1131846), (41, 772968), (42, 754564), (43, 737016), (56, 565923), (82, 386484), (84, 377282), (86, 368508), (107, 296184), (123, 257656), (129, 245672), (164, 193242), (168, 188641), (172, 184254), (214, 148092), (246, 128828), (258, 122836), (287, 110424), (301, 105288), (321, 98728), (328, 96621), (344, 92127), (428, 74046), (492, 64414), (516, 61418), (574, 55212), (602, 52644), (642, 49364), (749, 42312), (856, 37023), (861, 36808), (903, 35096), (984, 32207), (1032, 30709), (1148, 27606), (1204, 26322), (1284, 24682), (1498, 21156), (1722, 18404), (1763, 17976), (1806, 17548), (2247, 14104), (2296, 13803), (2408, 13161), (2568, 12341), (2996, 10578), (3444, 9202), (3526, 8988), (3612, 8774), (4387, 7224), (4494, 7052), (4601, 6888), (5289, 5992)]