128288342

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1613}}^1$

素因数の和:1677

約数の個数: 64

約数和(自身を含む): 260305920

約数和(自身を除く): 132017578

約数列:

[1, 2, 7, 13, 14, 19, 23, 26, 38, 46, 91, 133, 161, 182, 247, 266, 299, 322, 437, 494, 598, 874, 1613, 1729, 2093, 3059, 3226, 3458, 4186, 5681, 6118, 11291, 11362, 20969, 22582, 30647, 37099, 39767, 41938, 61294, 74198, 79534, 146783, 214529, 259693, 293566, 398411, 429058, 482287, 519386, 704881, 796822, 964574, 1409762, 2788877, 3376009, 4934167, 5577754, 6752018, 9163453, 9868334, 18326906, 64144171, 128288342]

約数ペア:

[(1, 128288342), (2, 64144171), (7, 18326906), (13, 9868334), (14, 9163453), (19, 6752018), (23, 5577754), (26, 4934167), (38, 3376009), (46, 2788877), (91, 1409762), (133, 964574), (161, 796822), (182, 704881), (247, 519386), (266, 482287), (299, 429058), (322, 398411), (437, 293566), (494, 259693), (598, 214529), (874, 146783), (1613, 79534), (1729, 74198), (2093, 61294), (3059, 41938), (3226, 39767), (3458, 37099), (4186, 30647), (5681, 22582), (6118, 20969), (11291, 11362)]