140045815

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1321}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 207881856

約数和(自身を除く): 67836041

約数列:

[1, 5, 7, 13, 35, 65, 91, 233, 455, 1165, 1321, 1631, 3029, 6605, 8155, 9247, 15145, 17173, 21203, 46235, 85865, 106015, 120211, 307793, 601055, 1538965, 2154551, 4001309, 10772755, 20006545, 28009163, 140045815]

約数ペア:

[(1, 140045815), (5, 28009163), (7, 20006545), (13, 10772755), (35, 4001309), (65, 2154551), (91, 1538965), (233, 601055), (455, 307793), (1165, 120211), (1321, 106015), (1631, 85865), (3029, 46235), (6605, 21203), (8155, 17173), (9247, 15145)]