20171801716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1\times {\mathrm{9091}}^1$

素因数の和:9556

約数の個数: 48

約数和(自身を含む): 38858480640

約数和(自身を除く): 18686678924

約数列:

[1, 2, 4, 11, 22, 44, 211, 239, 422, 478, 844, 956, 2321, 2629, 4642, 5258, 9091, 9284, 10516, 18182, 36364, 50429, 100001, 100858, 200002, 201716, 400004, 554719, 1109438, 1918201, 2172749, 2218876, 3836402, 4345498, 7672804, 8690996, 21100211, 23900239, 42200422, 47800478, 84400844, 95600956, 458450039, 916900078, 1833800156, 5042950429, 10085900858, 20171801716]

約数ペア:

[(1, 20171801716), (2, 10085900858), (4, 5042950429), (11, 1833800156), (22, 916900078), (44, 458450039), (211, 95600956), (239, 84400844), (422, 47800478), (478, 42200422), (844, 23900239), (956, 21100211), (2321, 8690996), (2629, 7672804), (4642, 4345498), (5258, 3836402), (9091, 2218876), (9284, 2172749), (10516, 1918201), (18182, 1109438), (36364, 554719), (50429, 400004), (100001, 201716), (100858, 200002)]