128354694

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 288583680

約数和(自身を除く): 160228986

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 109, 186, 218, 327, 403, 487, 654, 806, 974, 1209, 1417, 1461, 2418, 2834, 2922, 3379, 4251, 6331, 6758, 8502, 10137, 12662, 15097, 18993, 20274, 30194, 37986, 43927, 45291, 53083, 87854, 90582, 106166, 131781, 159249, 196261, 263562, 318498, 392522, 588783, 690079, 1177566, 1380158, 1645573, 2070237, 3291146, 4140474, 4936719, 9873438, 21392449, 42784898, 64177347, 128354694]

約数ペア:

[(1, 128354694), (2, 64177347), (3, 42784898), (6, 21392449), (13, 9873438), (26, 4936719), (31, 4140474), (39, 3291146), (62, 2070237), (78, 1645573), (93, 1380158), (109, 1177566), (186, 690079), (218, 588783), (327, 392522), (403, 318498), (487, 263562), (654, 196261), (806, 159249), (974, 131781), (1209, 106166), (1417, 90582), (1461, 87854), (2418, 53083), (2834, 45291), (2922, 43927), (3379, 37986), (4251, 30194), (6331, 20274), (6758, 18993), (8502, 15097), (10137, 12662)]