81008538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 181706112

約数和(自身を除く): 100697574

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 73, 78, 82, 123, 146, 219, 246, 347, 438, 533, 694, 949, 1041, 1066, 1599, 1898, 2082, 2847, 2993, 3198, 4511, 5694, 5986, 8979, 9022, 13533, 14227, 17958, 25331, 27066, 28454, 38909, 42681, 50662, 75993, 77818, 85362, 116727, 151986, 184951, 233454, 329303, 369902, 554853, 658606, 987909, 1038571, 1109706, 1975818, 2077142, 3115713, 6231426, 13501423, 27002846, 40504269, 81008538]

約数ペア:

[(1, 81008538), (2, 40504269), (3, 27002846), (6, 13501423), (13, 6231426), (26, 3115713), (39, 2077142), (41, 1975818), (73, 1109706), (78, 1038571), (82, 987909), (123, 658606), (146, 554853), (219, 369902), (246, 329303), (347, 233454), (438, 184951), (533, 151986), (694, 116727), (949, 85362), (1041, 77818), (1066, 75993), (1599, 50662), (1898, 42681), (2082, 38909), (2847, 28454), (2993, 27066), (3198, 25331), (4511, 17958), (5694, 14227), (5986, 13533), (8979, 9022)]