28991228

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6949}}^1$

素因数の和:7109

約数の個数: 24

約数和(自身を含む): 58380000

約数和(自身を除く): 29388772

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 2086, 4172, 6949, 13898, 27796, 48643, 97286, 194572, 1035401, 2070802, 4141604, 7247807, 14495614, 28991228]

約数ペア:

[(1, 28991228), (2, 14495614), (4, 7247807), (7, 4141604), (14, 2070802), (28, 1035401), (149, 194572), (298, 97286), (596, 48643), (1043, 27796), (2086, 13898), (4172, 6949)]