1297396

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 2451680

約数和(自身を除く): 1154284

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 397, 794, 817, 1588, 1634, 3268, 7543, 15086, 17071, 30172, 34142, 68284, 324349, 648698, 1297396]

約数ペア:

[(1, 1297396), (2, 648698), (4, 324349), (19, 68284), (38, 34142), (43, 30172), (76, 17071), (86, 15086), (172, 7543), (397, 3268), (794, 1634), (817, 1588)]