87904190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{619}}^1\times {\mathrm{1291}}^1$

素因数の和:1928

約数の個数: 32

約数和(自身を含む): 173024640

約数和(自身を除く): 85120450

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 619, 1238, 1291, 2582, 3095, 6190, 6455, 6809, 12910, 13618, 14201, 28402, 34045, 68090, 71005, 142010, 799129, 1598258, 3995645, 7991290, 8790419, 17580838, 43952095, 87904190]

約数ペア:

[(1, 87904190), (2, 43952095), (5, 17580838), (10, 8790419), (11, 7991290), (22, 3995645), (55, 1598258), (110, 799129), (619, 142010), (1238, 71005), (1291, 68090), (2582, 34045), (3095, 28402), (6190, 14201), (6455, 13618), (6809, 12910)]