28710136

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 67032000

約数和(自身を除く): 38321864

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 113, 182, 226, 349, 364, 452, 698, 728, 791, 904, 1396, 1469, 1582, 2443, 2792, 2938, 3164, 4537, 4886, 5876, 6328, 9074, 9772, 10283, 11752, 18148, 19544, 20566, 31759, 36296, 39437, 41132, 63518, 78874, 82264, 127036, 157748, 254072, 276059, 315496, 512681, 552118, 1025362, 1104236, 2050724, 2208472, 3588767, 4101448, 7177534, 14355068, 28710136]

約数ペア:

[(1, 28710136), (2, 14355068), (4, 7177534), (7, 4101448), (8, 3588767), (13, 2208472), (14, 2050724), (26, 1104236), (28, 1025362), (52, 552118), (56, 512681), (91, 315496), (104, 276059), (113, 254072), (182, 157748), (226, 127036), (349, 82264), (364, 78874), (452, 63518), (698, 41132), (728, 39437), (791, 36296), (904, 31759), (1396, 20566), (1469, 19544), (1582, 18148), (2443, 11752), (2792, 10283), (2938, 9772), (3164, 9074), (4537, 6328), (4886, 5876)]