2788891345

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1\times {\mathrm{677}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 3570727680

約数和(自身を除く): 781836335

約数列:

[1, 5, 19, 95, 103, 421, 515, 677, 1957, 2105, 3385, 7999, 9785, 12863, 39995, 43363, 64315, 69731, 216815, 285017, 348655, 823897, 1324889, 1425085, 4119485, 5415323, 6624445, 27076615, 29356751, 146783755, 557778269, 2788891345]

約数ペア:

[(1, 2788891345), (5, 557778269), (19, 146783755), (95, 29356751), (103, 27076615), (421, 6624445), (515, 5415323), (677, 4119485), (1957, 1425085), (2105, 1324889), (3385, 823897), (7999, 348655), (9785, 285017), (12863, 216815), (39995, 69731), (43363, 64315)]