81004154

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{461}}^1$

素因数の和:651

約数の個数: 48

約数和(自身を含む): 155475936

約数和(自身を除く): 74471782

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 163, 326, 461, 539, 922, 1078, 1141, 1793, 2282, 3227, 3586, 5071, 6454, 7987, 10142, 12551, 15974, 22589, 25102, 35497, 45178, 70994, 75143, 87857, 150286, 175714, 248479, 496958, 526001, 826573, 1052002, 1653146, 3682007, 5786011, 7364014, 11572022, 40502077, 81004154]

約数ペア:

[(1, 81004154), (2, 40502077), (7, 11572022), (11, 7364014), (14, 5786011), (22, 3682007), (49, 1653146), (77, 1052002), (98, 826573), (154, 526001), (163, 496958), (326, 248479), (461, 175714), (539, 150286), (922, 87857), (1078, 75143), (1141, 70994), (1793, 45178), (2282, 35497), (3227, 25102), (3586, 22589), (5071, 15974), (6454, 12551), (7987, 10142)]