31864144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{499}}^1$

素因数の和:827

約数の個数: 40

約数和(自身を含む): 66836000

約数和(自身を除く): 34971856

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 307, 499, 614, 998, 1228, 1996, 2456, 3991, 3992, 4912, 6487, 7982, 7984, 12974, 15964, 25948, 31928, 51896, 63856, 103792, 153193, 306386, 612772, 1225544, 1991509, 2451088, 3983018, 7966036, 15932072, 31864144]

約数ペア:

[(1, 31864144), (2, 15932072), (4, 7966036), (8, 3983018), (13, 2451088), (16, 1991509), (26, 1225544), (52, 612772), (104, 306386), (208, 153193), (307, 103792), (499, 63856), (614, 51896), (998, 31928), (1228, 25948), (1996, 15964), (2456, 12974), (3991, 7984), (3992, 7982), (4912, 6487)]