81189724

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 188568576

約数和(自身を除く): 107378852

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 73, 77, 92, 146, 154, 157, 161, 253, 292, 308, 314, 322, 506, 511, 628, 644, 803, 1012, 1022, 1099, 1606, 1679, 1727, 1771, 2044, 2198, 3212, 3358, 3454, 3542, 3611, 4396, 5621, 6716, 6908, 7084, 7222, 11242, 11461, 11753, 12089, 14444, 18469, 22484, 22922, 23506, 24178, 25277, 36938, 39721, 45844, 47012, 48356, 50554, 73876, 79442, 80227, 101108, 126071, 129283, 158884, 160454, 252142, 258566, 263603, 278047, 320908, 504284, 517132, 527206, 556094, 882497, 1054412, 1112188, 1764994, 1845221, 2899633, 3529988, 3690442, 5799266, 7380884, 11598532, 20297431, 40594862, 81189724]

約数ペア:

[(1, 81189724), (2, 40594862), (4, 20297431), (7, 11598532), (11, 7380884), (14, 5799266), (22, 3690442), (23, 3529988), (28, 2899633), (44, 1845221), (46, 1764994), (73, 1112188), (77, 1054412), (92, 882497), (146, 556094), (154, 527206), (157, 517132), (161, 504284), (253, 320908), (292, 278047), (308, 263603), (314, 258566), (322, 252142), (506, 160454), (511, 158884), (628, 129283), (644, 126071), (803, 101108), (1012, 80227), (1022, 79442), (1099, 73876), (1606, 50554), (1679, 48356), (1727, 47012), (1771, 45844), (2044, 39721), (2198, 36938), (3212, 25277), (3358, 24178), (3454, 23506), (3542, 22922), (3611, 22484), (4396, 18469), (5621, 14444), (6716, 12089), (6908, 11753), (7084, 11461), (7222, 11242)]