681629978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{26893}}^1$

素因数の和:26966

約数の個数: 32

約数和(自身を含む): 1161820800

約数和(自身を除く): 480190822

約数列:

[1, 2, 19, 23, 29, 38, 46, 58, 437, 551, 667, 874, 1102, 1334, 12673, 25346, 26893, 53786, 510967, 618539, 779897, 1021934, 1237078, 1559794, 11752241, 14818043, 17937631, 23504482, 29636086, 35875262, 340814989, 681629978]

約数ペア:

[(1, 681629978), (2, 340814989), (19, 35875262), (23, 29636086), (29, 23504482), (38, 17937631), (46, 14818043), (58, 11752241), (437, 1559794), (551, 1237078), (667, 1021934), (874, 779897), (1102, 618539), (1334, 510967), (12673, 53786), (25346, 26893)]