628721885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{983}}^1$

素因数の和:1429

約数の個数: 32

約数和(自身を含む): 854426880

約数和(自身を除く): 225704995

約数列:

[1, 5, 11, 29, 55, 145, 319, 401, 983, 1595, 2005, 4411, 4915, 10813, 11629, 22055, 28507, 54065, 58145, 127919, 142535, 313577, 394183, 639595, 1567885, 1970915, 4336013, 11431307, 21680065, 57156535, 125744377, 628721885]

約数ペア:

[(1, 628721885), (5, 125744377), (11, 57156535), (29, 21680065), (55, 11431307), (145, 4336013), (319, 1970915), (401, 1567885), (983, 639595), (1595, 394183), (2005, 313577), (4411, 142535), (4915, 127919), (10813, 58145), (11629, 54065), (22055, 28507)]