208458536

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3877}}^1$

素因数の和:3954

約数の個数: 64

約数和(自身を含む): 469082880

約数和(自身を除く): 260624344

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 47, 52, 88, 94, 104, 143, 188, 286, 376, 517, 572, 611, 1034, 1144, 1222, 2068, 2444, 3877, 4136, 4888, 6721, 7754, 13442, 15508, 26884, 31016, 42647, 50401, 53768, 85294, 100802, 170588, 182219, 201604, 341176, 364438, 403208, 554411, 728876, 1108822, 1457752, 2004409, 2217644, 2368847, 4008818, 4435288, 4737694, 8017636, 9475388, 16035272, 18950776, 26057317, 52114634, 104229268, 208458536]

約数ペア:

[(1, 208458536), (2, 104229268), (4, 52114634), (8, 26057317), (11, 18950776), (13, 16035272), (22, 9475388), (26, 8017636), (44, 4737694), (47, 4435288), (52, 4008818), (88, 2368847), (94, 2217644), (104, 2004409), (143, 1457752), (188, 1108822), (286, 728876), (376, 554411), (517, 403208), (572, 364438), (611, 341176), (1034, 201604), (1144, 182219), (1222, 170588), (2068, 100802), (2444, 85294), (3877, 53768), (4136, 50401), (4888, 42647), (6721, 31016), (7754, 26884), (13442, 15508)]