661335144

素因数分解:

$2^3\times 3^1\times {\mathrm{27555631}}^1$

素因数の和:27555640

約数の個数: 16

約数和(自身を含む): 1653337920

約数和(自身を除く): 992002776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 27555631, 55111262, 82666893, 110222524, 165333786, 220445048, 330667572, 661335144]

約数ペア:

[(1, 661335144), (2, 330667572), (3, 220445048), (4, 165333786), (6, 110222524), (8, 82666893), (12, 55111262), (24, 27555631)]