39406778

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{619}}^1$

素因数の和:989

約数の個数: 16

約数和(自身を含む): 59892000

約数和(自身を除く): 20485222

約数列:

[1, 2, 139, 229, 278, 458, 619, 1238, 31831, 63662, 86041, 141751, 172082, 283502, 19703389, 39406778]

約数ペア:

[(1, 39406778), (2, 19703389), (139, 283502), (229, 172082), (278, 141751), (458, 86041), (619, 63662), (1238, 31831)]