31035290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1973}}^1$

素因数の和:2015

約数の個数: 48

約数和(自身を含む): 66160584

約数和(自身を除く): 35125294

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 242, 286, 605, 715, 1210, 1430, 1573, 1973, 3146, 3946, 7865, 9865, 15730, 19730, 21703, 25649, 43406, 51298, 108515, 128245, 217030, 238733, 256490, 282139, 477466, 564278, 1193665, 1410695, 2387330, 2821390, 3103529, 6207058, 15517645, 31035290]

約数ペア:

[(1, 31035290), (2, 15517645), (5, 6207058), (10, 3103529), (11, 2821390), (13, 2387330), (22, 1410695), (26, 1193665), (55, 564278), (65, 477466), (110, 282139), (121, 256490), (130, 238733), (143, 217030), (242, 128245), (286, 108515), (605, 51298), (715, 43406), (1210, 25649), (1430, 21703), (1573, 19730), (1973, 15730), (3146, 9865), (3946, 7865)]