61781390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{51059}}^1$

素因数の和:51088

約数の個数: 24

約数和(自身を含む): 122237640

約数和(自身を除く): 60456250

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 51059, 102118, 255295, 510590, 561649, 1123298, 2808245, 5616490, 6178139, 12356278, 30890695, 61781390]

約数ペア:

[(1, 61781390), (2, 30890695), (5, 12356278), (10, 6178139), (11, 5616490), (22, 2808245), (55, 1123298), (110, 561649), (121, 510590), (242, 255295), (605, 102118), (1210, 51059)]