81011668

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{4423}}^1$

素因数の和:4687

約数の個数: 24

約数和(自身を含む): 149885120

約数和(自身を除く): 68873452

約数列:

[1, 2, 4, 19, 38, 76, 241, 482, 964, 4423, 4579, 8846, 9158, 17692, 18316, 84037, 168074, 336148, 1065943, 2131886, 4263772, 20252917, 40505834, 81011668]

約数ペア:

[(1, 81011668), (2, 40505834), (4, 20252917), (19, 4263772), (38, 2131886), (76, 1065943), (241, 336148), (482, 168074), (964, 84037), (4423, 18316), (4579, 17692), (8846, 9158)]