156918978

素因数分解:

$2^1\times 3^3\times {\mathrm{137}}^1\times {\mathrm{21211}}^1$

素因数の和:21359

約数の個数: 32

約数和(自身を含む): 351270720

約数和(自身を除く): 194351742

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 137, 274, 411, 822, 1233, 2466, 3699, 7398, 21211, 42422, 63633, 127266, 190899, 381798, 572697, 1145394, 2905907, 5811814, 8717721, 17435442, 26153163, 52306326, 78459489, 156918978]

約数ペア:

[(1, 156918978), (2, 78459489), (3, 52306326), (6, 26153163), (9, 17435442), (18, 8717721), (27, 5811814), (54, 2905907), (137, 1145394), (274, 572697), (411, 381798), (822, 190899), (1233, 127266), (2466, 63633), (3699, 42422), (7398, 21211)]