489448505

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{11821}}^1$

素因数の和:11866

約数の個数: 36

約数和(自身を含む): 739891692

約数和(自身を除く): 250443187

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 169, 245, 455, 637, 845, 1183, 3185, 5915, 8281, 11821, 41405, 59105, 82747, 153673, 413735, 579229, 768365, 1075711, 1997749, 2896145, 5378555, 7529977, 9988745, 13984243, 37649885, 69921215, 97889701, 489448505]

約数ペア:

[(1, 489448505), (5, 97889701), (7, 69921215), (13, 37649885), (35, 13984243), (49, 9988745), (65, 7529977), (91, 5378555), (169, 2896145), (245, 1997749), (455, 1075711), (637, 768365), (845, 579229), (1183, 413735), (3185, 153673), (5915, 82747), (8281, 59105), (11821, 41405)]