201647578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 359976960

約数和(自身を除く): 158329382

約数列:

[1, 2, 11, 22, 23, 46, 47, 61, 94, 122, 139, 253, 278, 506, 517, 671, 1034, 1081, 1342, 1403, 1529, 2162, 2806, 2867, 3058, 3197, 5734, 6394, 6533, 8479, 11891, 13066, 15433, 16958, 23782, 30866, 31537, 35167, 63074, 65941, 70334, 71863, 93269, 131882, 143726, 150259, 186538, 195017, 300518, 390034, 398513, 725351, 797026, 1450702, 1652849, 2145187, 3305698, 4290374, 4383643, 8767286, 9165799, 18331598, 100823789, 201647578]

約数ペア:

[(1, 201647578), (2, 100823789), (11, 18331598), (22, 9165799), (23, 8767286), (46, 4383643), (47, 4290374), (61, 3305698), (94, 2145187), (122, 1652849), (139, 1450702), (253, 797026), (278, 725351), (506, 398513), (517, 390034), (671, 300518), (1034, 195017), (1081, 186538), (1342, 150259), (1403, 143726), (1529, 131882), (2162, 93269), (2806, 71863), (2867, 70334), (3058, 65941), (3197, 63074), (5734, 35167), (6394, 31537), (6533, 30866), (8479, 23782), (11891, 16958), (13066, 15433)]