1388431112

素因数分解:

$2^3\times {\mathrm{523}}^1\times {\mathrm{331843}}^1$

素因数の和:332372

約数の個数: 16

約数和(自身を含む): 2608293840

約数和(自身を除く): 1219862728

約数列:

[1, 2, 4, 8, 523, 1046, 2092, 4184, 331843, 663686, 1327372, 2654744, 173553889, 347107778, 694215556, 1388431112]

約数ペア:

[(1, 1388431112), (2, 694215556), (4, 347107778), (8, 173553889), (523, 2654744), (1046, 1327372), (2092, 663686), (4184, 331843)]