164087819

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 214502400

約数和(自身を除く): 50414581

約数列:

[1, 7, 19, 23, 49, 79, 97, 133, 161, 437, 553, 679, 931, 1127, 1501, 1817, 1843, 2231, 3059, 3871, 4753, 7663, 10507, 12719, 12901, 15617, 21413, 34523, 42389, 53641, 73549, 89033, 90307, 109319, 145597, 176249, 241661, 296723, 375487, 1019179, 1233743, 1691627, 2077061, 3348731, 7134253, 8636201, 23441117, 164087819]

約数ペア:

[(1, 164087819), (7, 23441117), (19, 8636201), (23, 7134253), (49, 3348731), (79, 2077061), (97, 1691627), (133, 1233743), (161, 1019179), (437, 375487), (553, 296723), (679, 241661), (931, 176249), (1127, 145597), (1501, 109319), (1817, 90307), (1843, 89033), (2231, 73549), (3059, 53641), (3871, 42389), (4753, 34523), (7663, 21413), (10507, 15617), (12719, 12901)]