643692316

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{30403}}^1$

素因数の和:30553

約数の個数: 24

約数和(自身を含む): 1157784320

約数和(自身を除く): 514092004

約数列:

[1, 2, 4, 67, 79, 134, 158, 268, 316, 5293, 10586, 21172, 30403, 60806, 121612, 2037001, 2401837, 4074002, 4803674, 8148004, 9607348, 160923079, 321846158, 643692316]

約数ペア:

[(1, 643692316), (2, 321846158), (4, 160923079), (67, 9607348), (79, 8148004), (134, 4803674), (158, 4074002), (268, 2401837), (316, 2037001), (5293, 121612), (10586, 60806), (21172, 30403)]