638665008

素因数分解:

$2^4\times 3^1\times {\mathrm{109}}^1\times {\mathrm{122069}}^1$

素因数の和:122189

約数の個数: 40

約数和(自身を含む): 1665034800

約数和(自身を除く): 1026369792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 109, 218, 327, 436, 654, 872, 1308, 1744, 2616, 5232, 122069, 244138, 366207, 488276, 732414, 976552, 1464828, 1953104, 2929656, 5859312, 13305521, 26611042, 39916563, 53222084, 79833126, 106444168, 159666252, 212888336, 319332504, 638665008]

約数ペア:

[(1, 638665008), (2, 319332504), (3, 212888336), (4, 159666252), (6, 106444168), (8, 79833126), (12, 53222084), (16, 39916563), (24, 26611042), (48, 13305521), (109, 5859312), (218, 2929656), (327, 1953104), (436, 1464828), (654, 976552), (872, 732414), (1308, 488276), (1744, 366207), (2616, 244138), (5232, 122069)]