1621238

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:443

約数の個数: 16

約数和(自身を含む): 2549760

約数和(自身を除く): 928522

約数列:

[1, 2, 31, 62, 79, 158, 331, 662, 2449, 4898, 10261, 20522, 26149, 52298, 810619, 1621238]

約数ペア:

[(1, 1621238), (2, 810619), (31, 52298), (62, 26149), (79, 20522), (158, 10261), (331, 4898), (662, 2449)]