81284856

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 210124800

約数和(自身を除く): 128839944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 239, 296, 383, 444, 478, 717, 766, 888, 956, 1149, 1434, 1532, 1912, 2298, 2868, 3064, 4596, 5736, 8843, 9192, 14171, 17686, 26529, 28342, 35372, 42513, 53058, 56684, 70744, 85026, 91537, 106116, 113368, 170052, 183074, 212232, 274611, 340104, 366148, 549222, 732296, 1098444, 2196888, 3386869, 6773738, 10160607, 13547476, 20321214, 27094952, 40642428, 81284856]

約数ペア:

[(1, 81284856), (2, 40642428), (3, 27094952), (4, 20321214), (6, 13547476), (8, 10160607), (12, 6773738), (24, 3386869), (37, 2196888), (74, 1098444), (111, 732296), (148, 549222), (222, 366148), (239, 340104), (296, 274611), (383, 212232), (444, 183074), (478, 170052), (717, 113368), (766, 106116), (888, 91537), (956, 85026), (1149, 70744), (1434, 56684), (1532, 53058), (1912, 42513), (2298, 35372), (2868, 28342), (3064, 26529), (4596, 17686), (5736, 14171), (8843, 9192)]