8581788304

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{20959}}^1$

素因数の和:21287

約数の個数: 40

約数和(自身を含む): 16836581120

約数和(自身を除く): 8254792816

約数列:

[1, 2, 4, 8, 16, 157, 163, 314, 326, 628, 652, 1256, 1304, 2512, 2608, 20959, 25591, 41918, 51182, 83836, 102364, 167672, 204728, 335344, 409456, 3290563, 3416317, 6581126, 6832634, 13162252, 13665268, 26324504, 27330536, 52649008, 54661072, 536361769, 1072723538, 2145447076, 4290894152, 8581788304]

約数ペア:

[(1, 8581788304), (2, 4290894152), (4, 2145447076), (8, 1072723538), (16, 536361769), (157, 54661072), (163, 52649008), (314, 27330536), (326, 26324504), (628, 13665268), (652, 13162252), (1256, 6832634), (1304, 6581126), (2512, 3416317), (2608, 3290563), (20959, 409456), (25591, 335344), (41918, 204728), (51182, 167672), (83836, 102364)]