989821085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{3011}}^1$

素因数の和:3209

約数の個数: 32

約数和(自身を含む): 1335882240

約数和(自身を除く): 346061155

約数列:

[1, 5, 11, 43, 55, 139, 215, 473, 695, 1529, 2365, 3011, 5977, 7645, 15055, 29885, 33121, 65747, 129473, 165605, 328735, 418529, 647365, 1424203, 2092645, 4603819, 7121015, 17996747, 23019095, 89983735, 197964217, 989821085]

約数ペア:

[(1, 989821085), (5, 197964217), (11, 89983735), (43, 23019095), (55, 17996747), (139, 7121015), (215, 4603819), (473, 2092645), (695, 1424203), (1529, 647365), (2365, 418529), (3011, 328735), (5977, 165605), (7645, 129473), (15055, 65747), (29885, 33121)]