1388642

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:353

約数の個数: 16

約数和(自身を含む): 2172192

約数和(自身を除く): 783550

約数列:

[1, 2, 43, 67, 86, 134, 241, 482, 2881, 5762, 10363, 16147, 20726, 32294, 694321, 1388642]

約数ペア:

[(1, 1388642), (2, 694321), (43, 32294), (67, 20726), (86, 16147), (134, 10363), (241, 5762), (482, 2881)]