1388354330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{7933}}^1$

素因数の和:8031

約数の個数: 64

約数和(自身を含む): 2865379968

約数和(自身を除く): 1477025638

約数列:

[1, 2, 5, 10, 11, 22, 37, 43, 55, 74, 86, 110, 185, 215, 370, 407, 430, 473, 814, 946, 1591, 2035, 2365, 3182, 4070, 4730, 7933, 7955, 15866, 15910, 17501, 35002, 39665, 79330, 87263, 87505, 174526, 175010, 293521, 341119, 436315, 587042, 682238, 872630, 1467605, 1705595, 2935210, 3228731, 3411190, 3752309, 6457462, 7504618, 12621403, 16143655, 18761545, 25242806, 32287310, 37523090, 63107015, 126214030, 138835433, 277670866, 694177165, 1388354330]

約数ペア:

[(1, 1388354330), (2, 694177165), (5, 277670866), (10, 138835433), (11, 126214030), (22, 63107015), (37, 37523090), (43, 32287310), (55, 25242806), (74, 18761545), (86, 16143655), (110, 12621403), (185, 7504618), (215, 6457462), (370, 3752309), (407, 3411190), (430, 3228731), (473, 2935210), (814, 1705595), (946, 1467605), (1591, 872630), (2035, 682238), (2365, 587042), (3182, 436315), (4070, 341119), (4730, 293521), (7933, 175010), (7955, 174526), (15866, 87505), (15910, 87263), (17501, 79330), (35002, 39665)]