138591215

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1609}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 200309760

約数和(自身を除く): 61718545

約数列:

[1, 5, 7, 23, 35, 107, 115, 161, 535, 749, 805, 1609, 2461, 3745, 8045, 11263, 12305, 17227, 37007, 56315, 86135, 172163, 185035, 259049, 860815, 1205141, 1295245, 3959749, 6025705, 19798745, 27718243, 138591215]

約数ペア:

[(1, 138591215), (5, 27718243), (7, 19798745), (23, 6025705), (35, 3959749), (107, 1295245), (115, 1205141), (161, 860815), (535, 259049), (749, 185035), (805, 172163), (1609, 86135), (2461, 56315), (3745, 37007), (8045, 17227), (11263, 12305)]