25581092

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{397}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 45634680

約数和(自身を除く): 20053588

約数列:

[1, 2, 4, 89, 178, 181, 356, 362, 397, 724, 794, 1588, 16109, 32218, 35333, 64436, 70666, 71857, 141332, 143714, 287428, 6395273, 12790546, 25581092]

約数ペア:

[(1, 25581092), (2, 12790546), (4, 6395273), (89, 287428), (178, 143714), (181, 141332), (356, 71857), (362, 70666), (397, 64436), (724, 35333), (794, 32218), (1588, 16109)]