890406671

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{35801}}^1$

素因数の和:35855

約数の個数: 32

約数和(自身を含む): 1237317120

約数和(自身を除く): 346910449

約数列:

[1, 7, 11, 17, 19, 77, 119, 133, 187, 209, 323, 1309, 1463, 2261, 3553, 24871, 35801, 250607, 393811, 608617, 680219, 2756677, 4260319, 4761533, 6694787, 7482409, 11563723, 46863509, 52376863, 80946061, 127200953, 890406671]

約数ペア:

[(1, 890406671), (7, 127200953), (11, 80946061), (17, 52376863), (19, 46863509), (77, 11563723), (119, 7482409), (133, 6694787), (187, 4761533), (209, 4260319), (323, 2756677), (1309, 680219), (1463, 608617), (2261, 393811), (3553, 250607), (24871, 35801)]