1550000008

素因数分解:

$2^3\times {\mathrm{373}}^1\times {\mathrm{521}}^1\times {\mathrm{997}}^1$

素因数の和:1897

約数の個数: 32

約数和(自身を含む): 2922563160

約数和(自身を除く): 1372563152

約数列:

[1, 2, 4, 8, 373, 521, 746, 997, 1042, 1492, 1994, 2084, 2984, 3988, 4168, 7976, 194333, 371881, 388666, 519437, 743762, 777332, 1038874, 1487524, 1554664, 2077748, 2975048, 4155496, 193750001, 387500002, 775000004, 1550000008]

約数ペア:

[(1, 1550000008), (2, 775000004), (4, 387500002), (8, 193750001), (373, 4155496), (521, 2975048), (746, 2077748), (997, 1554664), (1042, 1487524), (1492, 1038874), (1994, 777332), (2084, 743762), (2984, 519437), (3988, 388666), (4168, 371881), (7976, 194333)]