397309042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{1571}}^1$

素因数の和:1794

約数の個数: 32

約数和(自身を含む): 656014464

約数和(自身を除く): 258705422

約数列:

[1, 2, 13, 26, 71, 137, 142, 274, 923, 1571, 1781, 1846, 3142, 3562, 9727, 19454, 20423, 40846, 111541, 126451, 215227, 223082, 252902, 430454, 1450033, 2797951, 2900066, 5595902, 15281117, 30562234, 198654521, 397309042]

約数ペア:

[(1, 397309042), (2, 198654521), (13, 30562234), (26, 15281117), (71, 5595902), (137, 2900066), (142, 2797951), (274, 1450033), (923, 430454), (1571, 252902), (1781, 223082), (1846, 215227), (3142, 126451), (3562, 111541), (9727, 40846), (19454, 20423)]