1279681705

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1\times {\mathrm{829}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 1659893760

約数和(自身を除く): 380212055

約数列:

[1, 5, 23, 31, 115, 155, 433, 713, 829, 2165, 3565, 4145, 9959, 13423, 19067, 25699, 49795, 67115, 95335, 128495, 308729, 358957, 591077, 1543645, 1794785, 2955385, 8256011, 11127667, 41280055, 55638335, 255936341, 1279681705]

約数ペア:

[(1, 1279681705), (5, 255936341), (23, 55638335), (31, 41280055), (115, 11127667), (155, 8256011), (433, 2955385), (713, 1794785), (829, 1543645), (2165, 591077), (3565, 358957), (4145, 308729), (9959, 128495), (13423, 95335), (19067, 67115), (25699, 49795)]