28261090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19763}}^1$

素因数の和:19794

約数の個数: 32

約数和(自身を含む): 59766336

約数和(自身を除く): 31505246

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 19763, 39526, 98815, 197630, 217393, 256919, 434786, 513838, 1086965, 1284595, 2173930, 2569190, 2826109, 5652218, 14130545, 28261090]

約数ペア:

[(1, 28261090), (2, 14130545), (5, 5652218), (10, 2826109), (11, 2569190), (13, 2173930), (22, 1284595), (26, 1086965), (55, 513838), (65, 434786), (110, 256919), (130, 217393), (143, 197630), (286, 98815), (715, 39526), (1430, 19763)]