1388757974

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{509449}}^1$

素因数の和:509527

約数の個数: 16

約数和(自身を含む): 2200824000

約数和(自身を除く): 812066026

約数列:

[1, 2, 29, 47, 58, 94, 1363, 2726, 509449, 1018898, 14774021, 23944103, 29548042, 47888206, 694378987, 1388757974]

約数ペア:

[(1, 1388757974), (2, 694378987), (29, 47888206), (47, 29548042), (58, 23944103), (94, 14774021), (1363, 1018898), (2726, 509449)]