8178664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4139}}^1$

素因数の和:4177

約数の個数: 32

約数和(自身を含む): 17388000

約数和(自身を除く): 9209336

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 4139, 8278, 16556, 33112, 53807, 78641, 107614, 157282, 215228, 314564, 430456, 629128, 1022333, 2044666, 4089332, 8178664]

約数ペア:

[(1, 8178664), (2, 4089332), (4, 2044666), (8, 1022333), (13, 629128), (19, 430456), (26, 314564), (38, 215228), (52, 157282), (76, 107614), (104, 78641), (152, 53807), (247, 33112), (494, 16556), (988, 8278), (1976, 4139)]