61090505

素因数分解:

$5^1\times 7^2\times {\mathrm{389}}^1\times {\mathrm{641}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 85629960

約数和(自身を除く): 24539455

約数列:

[1, 5, 7, 35, 49, 245, 389, 641, 1945, 2723, 3205, 4487, 13615, 19061, 22435, 31409, 95305, 157045, 249349, 1246745, 1745443, 8727215, 12218101, 61090505]

約数ペア:

[(1, 61090505), (5, 12218101), (7, 8727215), (35, 1745443), (49, 1246745), (245, 249349), (389, 157045), (641, 95305), (1945, 31409), (2723, 22435), (3205, 19061), (4487, 13615)]