201577916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{43481}}^1$

素因数の和:43565

約数の個数: 24

約数和(自身を含む): 377423760

約数和(自身を除く): 175845844

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 244, 1159, 2318, 4636, 43481, 86962, 173924, 826139, 1652278, 2652341, 3304556, 5304682, 10609364, 50394479, 100788958, 201577916]

約数ペア:

[(1, 201577916), (2, 100788958), (4, 50394479), (19, 10609364), (38, 5304682), (61, 3304556), (76, 2652341), (122, 1652278), (244, 826139), (1159, 173924), (2318, 86962), (4636, 43481)]