15661699208

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1\times {\mathrm{1693}}^1$

素因数の和:2238

約数の個数: 64

約数和(自身を含む): 31350654720

約数和(自身を除く): 15688955512

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 251, 271, 502, 542, 1004, 1084, 1693, 2008, 2168, 3386, 4267, 4607, 6772, 8534, 9214, 13544, 17068, 18428, 28781, 34136, 36856, 57562, 68021, 115124, 136042, 230248, 272084, 424943, 458803, 544168, 849886, 917606, 1156357, 1699772, 1835212, 2312714, 3399544, 3670424, 4625428, 7224031, 7799651, 9250856, 14448062, 15599302, 28896124, 31198604, 57792248, 62397208, 115159553, 230319106, 460638212, 921276424, 1957712401, 3915424802, 7830849604, 15661699208]

約数ペア:

[(1, 15661699208), (2, 7830849604), (4, 3915424802), (8, 1957712401), (17, 921276424), (34, 460638212), (68, 230319106), (136, 115159553), (251, 62397208), (271, 57792248), (502, 31198604), (542, 28896124), (1004, 15599302), (1084, 14448062), (1693, 9250856), (2008, 7799651), (2168, 7224031), (3386, 4625428), (4267, 3670424), (4607, 3399544), (6772, 2312714), (8534, 1835212), (9214, 1699772), (13544, 1156357), (17068, 917606), (18428, 849886), (28781, 544168), (34136, 458803), (36856, 424943), (57562, 272084), (68021, 230248), (115124, 136042)]