81115188

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12541}}^1$

素因数の和:12573

約数の個数: 72

約数和(自身を含む): 240204384

約数和(自身を除く): 159089196

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 3234, 6468, 12541, 25082, 37623, 50164, 75246, 87787, 137951, 150492, 175574, 263361, 275902, 351148, 413853, 526722, 551804, 614509, 827706, 965657, 1053444, 1229018, 1655412, 1843527, 1931314, 2458036, 2896971, 3687054, 3862628, 5793942, 6759599, 7374108, 11587884, 13519198, 20278797, 27038396, 40557594, 81115188]

約数ペア:

[(1, 81115188), (2, 40557594), (3, 27038396), (4, 20278797), (6, 13519198), (7, 11587884), (11, 7374108), (12, 6759599), (14, 5793942), (21, 3862628), (22, 3687054), (28, 2896971), (33, 2458036), (42, 1931314), (44, 1843527), (49, 1655412), (66, 1229018), (77, 1053444), (84, 965657), (98, 827706), (132, 614509), (147, 551804), (154, 526722), (196, 413853), (231, 351148), (294, 275902), (308, 263361), (462, 175574), (539, 150492), (588, 137951), (924, 87787), (1078, 75246), (1617, 50164), (2156, 37623), (3234, 25082), (6468, 12541)]