81254404

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{827}}^1$

素因数の和:889

約数の個数: 72

約数和(自身を含む): 185008320

約数和(自身を除く): 103753916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 58, 77, 116, 121, 154, 203, 242, 308, 319, 406, 484, 638, 812, 827, 847, 1276, 1654, 1694, 2233, 3308, 3388, 3509, 4466, 5789, 7018, 8932, 9097, 11578, 14036, 18194, 23156, 23983, 24563, 36388, 47966, 49126, 63679, 95932, 98252, 100067, 127358, 167881, 200134, 254716, 263813, 335762, 400268, 527626, 671524, 700469, 1055252, 1400938, 1846691, 2801876, 2901943, 3693382, 5803886, 7386764, 11607772, 20313601, 40627202, 81254404]

約数ペア:

[(1, 81254404), (2, 40627202), (4, 20313601), (7, 11607772), (11, 7386764), (14, 5803886), (22, 3693382), (28, 2901943), (29, 2801876), (44, 1846691), (58, 1400938), (77, 1055252), (116, 700469), (121, 671524), (154, 527626), (203, 400268), (242, 335762), (308, 263813), (319, 254716), (406, 200134), (484, 167881), (638, 127358), (812, 100067), (827, 98252), (847, 95932), (1276, 63679), (1654, 49126), (1694, 47966), (2233, 36388), (3308, 24563), (3388, 23983), (3509, 23156), (4466, 18194), (5789, 14036), (7018, 11578), (8932, 9097)]