978339908

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2687747}}^1$

素因数の和:2687771

約数の個数: 24

約数和(自身を含む): 2107194432

約数和(自身を除く): 1128854524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 2687747, 5375494, 10750988, 18814229, 34940711, 37628458, 69881422, 75256916, 139762844, 244584977, 489169954, 978339908]

約数ペア:

[(1, 978339908), (2, 489169954), (4, 244584977), (7, 139762844), (13, 75256916), (14, 69881422), (26, 37628458), (28, 34940711), (52, 18814229), (91, 10750988), (182, 5375494), (364, 2687747)]