1388659322

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{315461}}^1$

素因数の和:315565

約数の個数: 16

約数和(自身を含む): 2180473344

約数和(自身を除く): 791814022

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 315461, 630922, 9779291, 19558582, 22397731, 44795462, 694329661, 1388659322]

約数ペア:

[(1, 1388659322), (2, 694329661), (31, 44795462), (62, 22397731), (71, 19558582), (142, 9779291), (2201, 630922), (4402, 315461)]