31211796

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1987}}^1$

素因数の和:2029

約数の個数: 96

約数和(自身を含む): 96187392

約数和(自身を除く): 64975596

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 17, 21, 22, 28, 33, 34, 42, 44, 51, 66, 68, 77, 84, 102, 119, 132, 154, 187, 204, 231, 238, 308, 357, 374, 462, 476, 561, 714, 748, 924, 1122, 1309, 1428, 1987, 2244, 2618, 3927, 3974, 5236, 5961, 7854, 7948, 11922, 13909, 15708, 21857, 23844, 27818, 33779, 41727, 43714, 55636, 65571, 67558, 83454, 87428, 101337, 131142, 135116, 152999, 166908, 202674, 236453, 262284, 305998, 371569, 405348, 458997, 472906, 611996, 709359, 743138, 917994, 945812, 1114707, 1418718, 1486276, 1835988, 2229414, 2600983, 2837436, 4458828, 5201966, 7802949, 10403932, 15605898, 31211796]

約数ペア:

[(1, 31211796), (2, 15605898), (3, 10403932), (4, 7802949), (6, 5201966), (7, 4458828), (11, 2837436), (12, 2600983), (14, 2229414), (17, 1835988), (21, 1486276), (22, 1418718), (28, 1114707), (33, 945812), (34, 917994), (42, 743138), (44, 709359), (51, 611996), (66, 472906), (68, 458997), (77, 405348), (84, 371569), (102, 305998), (119, 262284), (132, 236453), (154, 202674), (187, 166908), (204, 152999), (231, 135116), (238, 131142), (308, 101337), (357, 87428), (374, 83454), (462, 67558), (476, 65571), (561, 55636), (714, 43714), (748, 41727), (924, 33779), (1122, 27818), (1309, 23844), (1428, 21857), (1987, 15708), (2244, 13909), (2618, 11922), (3927, 7948), (3974, 7854), (5236, 5961)]