78321128

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{315811}}^1$

素因数の和:315848

約数の個数: 16

約数和(自身を含む): 151589760

約数和(自身を除く): 73268632

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 315811, 631622, 1263244, 2526488, 9790141, 19580282, 39160564, 78321128]

約数ペア:

[(1, 78321128), (2, 39160564), (4, 19580282), (8, 9790141), (31, 2526488), (62, 1263244), (124, 631622), (248, 315811)]