12781964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{659}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 24190320

約数和(自身を除く): 11408356

約数列:

[1, 2, 4, 13, 26, 52, 373, 659, 746, 1318, 1492, 2636, 4849, 8567, 9698, 17134, 19396, 34268, 245807, 491614, 983228, 3195491, 6390982, 12781964]

約数ペア:

[(1, 12781964), (2, 6390982), (4, 3195491), (13, 983228), (26, 491614), (52, 245807), (373, 34268), (659, 19396), (746, 17134), (1318, 9698), (1492, 8567), (2636, 4849)]