661244816

素因数分解:

$2^4\times {\mathrm{3461}}^1\times {\mathrm{11941}}^1$

素因数の和:15410

約数の個数: 20

約数和(自身を含む): 1281639324

約数和(自身を除く): 620394508

約数列:

[1, 2, 4, 8, 16, 3461, 6922, 11941, 13844, 23882, 27688, 47764, 55376, 95528, 191056, 41327801, 82655602, 165311204, 330622408, 661244816]

約数ペア:

[(1, 661244816), (2, 330622408), (4, 165311204), (8, 82655602), (16, 41327801), (3461, 191056), (6922, 95528), (11941, 55376), (13844, 47764), (23882, 27688)]