645093218

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{26681}}^1$

素因数の和:26858

約数の個数: 32

約数和(自身を含む): 1214137728

約数和(自身を除く): 569044510

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 157, 314, 1099, 1727, 2198, 3454, 12089, 24178, 26681, 53362, 186767, 293491, 373534, 586982, 2054437, 4108874, 4188917, 8377834, 29322419, 46078087, 58644838, 92156174, 322546609, 645093218]

約数ペア:

[(1, 645093218), (2, 322546609), (7, 92156174), (11, 58644838), (14, 46078087), (22, 29322419), (77, 8377834), (154, 4188917), (157, 4108874), (314, 2054437), (1099, 586982), (1727, 373534), (2198, 293491), (3454, 186767), (12089, 53362), (24178, 26681)]