51787216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{811}}^1$

素因数の和:1139

約数の個数: 40

約数和(自身を含む): 108541664

約数和(自身を除く): 56754448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 307, 614, 811, 1228, 1622, 2456, 3244, 3991, 4912, 6488, 7982, 10543, 12976, 15964, 21086, 31928, 42172, 63856, 84344, 168688, 248977, 497954, 995908, 1991816, 3236701, 3983632, 6473402, 12946804, 25893608, 51787216]

約数ペア:

[(1, 51787216), (2, 25893608), (4, 12946804), (8, 6473402), (13, 3983632), (16, 3236701), (26, 1991816), (52, 995908), (104, 497954), (208, 248977), (307, 168688), (614, 84344), (811, 63856), (1228, 42172), (1622, 31928), (2456, 21086), (3244, 15964), (3991, 12976), (4912, 10543), (6488, 7982)]