139222648

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 278784000

約数和(自身を除く): 139561352

約数列:

[1, 2, 4, 8, 43, 47, 79, 86, 94, 109, 158, 172, 188, 218, 316, 344, 376, 436, 632, 872, 2021, 3397, 3713, 4042, 4687, 5123, 6794, 7426, 8084, 8611, 9374, 10246, 13588, 14852, 16168, 17222, 18748, 20492, 27176, 29704, 34444, 37496, 40984, 68888, 159659, 220289, 319318, 370273, 404717, 440578, 638636, 740546, 809434, 881156, 1277272, 1481092, 1618868, 1762312, 2962184, 3237736, 17402831, 34805662, 69611324, 139222648]

約数ペア:

[(1, 139222648), (2, 69611324), (4, 34805662), (8, 17402831), (43, 3237736), (47, 2962184), (79, 1762312), (86, 1618868), (94, 1481092), (109, 1277272), (158, 881156), (172, 809434), (188, 740546), (218, 638636), (316, 440578), (344, 404717), (376, 370273), (436, 319318), (632, 220289), (872, 159659), (2021, 68888), (3397, 40984), (3713, 37496), (4042, 34444), (4687, 29704), (5123, 27176), (6794, 20492), (7426, 18748), (8084, 17222), (8611, 16168), (9374, 14852), (10246, 13588)]