400840606

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1\times {\mathrm{337}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 642713760

約数和(自身を除く): 241873154

約数列:

[1, 2, 19, 38, 113, 226, 277, 337, 554, 674, 2147, 4294, 5263, 6403, 10526, 12806, 31301, 38081, 62602, 76162, 93349, 186698, 594719, 723539, 1189438, 1447078, 1773631, 3547262, 10548437, 21096874, 200420303, 400840606]

約数ペア:

[(1, 400840606), (2, 200420303), (19, 21096874), (38, 10548437), (113, 3547262), (226, 1773631), (277, 1447078), (337, 1189438), (554, 723539), (674, 594719), (2147, 186698), (4294, 93349), (5263, 76162), (6403, 62602), (10526, 38081), (12806, 31301)]