1220012

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 2268000

約数和(自身を除く): 1047988

約数列:

[1, 2, 4, 23, 46, 89, 92, 149, 178, 298, 356, 596, 2047, 3427, 4094, 6854, 8188, 13261, 13708, 26522, 53044, 305003, 610006, 1220012]

約数ペア:

[(1, 1220012), (2, 610006), (4, 305003), (23, 53044), (46, 26522), (89, 13708), (92, 13261), (149, 8188), (178, 6854), (298, 4094), (356, 3427), (596, 2047)]