217813055

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{457}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 286891200

約数和(自身を除く): 69078145

約数列:

[1, 5, 19, 29, 95, 145, 173, 457, 551, 865, 2285, 2755, 3287, 5017, 8683, 13253, 16435, 25085, 43415, 66265, 79061, 95323, 251807, 395305, 476615, 1259035, 1502159, 2292769, 7510795, 11463845, 43562611, 217813055]

約数ペア:

[(1, 217813055), (5, 43562611), (19, 11463845), (29, 7510795), (95, 2292769), (145, 1502159), (173, 1259035), (457, 476615), (551, 395305), (865, 251807), (2285, 95323), (2755, 79061), (3287, 66265), (5017, 43415), (8683, 25085), (13253, 16435)]