4990349

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 6666240

約数和(自身を除く): 1675891

約数列:

[1, 7, 13, 29, 31, 61, 91, 203, 217, 377, 403, 427, 793, 899, 1769, 1891, 2639, 2821, 5551, 6293, 11687, 12383, 13237, 22997, 24583, 54839, 81809, 160979, 172081, 383873, 712907, 4990349]

約数ペア:

[(1, 4990349), (7, 712907), (13, 383873), (29, 172081), (31, 160979), (61, 81809), (91, 54839), (203, 24583), (217, 22997), (377, 13237), (403, 12383), (427, 11687), (793, 6293), (899, 5551), (1769, 2821), (1891, 2639)]