64478888

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 122744160

約数和(自身を除く): 58265272

約数列:

[1, 2, 4, 8, 163, 197, 251, 326, 394, 502, 652, 788, 1004, 1304, 1576, 2008, 32111, 40913, 49447, 64222, 81826, 98894, 128444, 163652, 197788, 256888, 327304, 395576, 8059861, 16119722, 32239444, 64478888]

約数ペア:

[(1, 64478888), (2, 32239444), (4, 16119722), (8, 8059861), (163, 395576), (197, 327304), (251, 256888), (326, 197788), (394, 163652), (502, 128444), (652, 98894), (788, 81826), (1004, 64222), (1304, 49447), (1576, 40913), (2008, 32111)]