81987456

素因数分解:

$2^7\times 3^1\times {\mathrm{23}}^1\times {\mathrm{9283}}^1$

素因数の和:9323

約数の個数: 64

約数和(自身を含む): 227272320

約数和(自身を除く): 145284864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 276, 368, 384, 552, 736, 1104, 1472, 2208, 2944, 4416, 8832, 9283, 18566, 27849, 37132, 55698, 74264, 111396, 148528, 213509, 222792, 297056, 427018, 445584, 594112, 640527, 854036, 891168, 1188224, 1281054, 1708072, 1782336, 2562108, 3416144, 3564672, 5124216, 6832288, 10248432, 13664576, 20496864, 27329152, 40993728, 81987456]

約数ペア:

[(1, 81987456), (2, 40993728), (3, 27329152), (4, 20496864), (6, 13664576), (8, 10248432), (12, 6832288), (16, 5124216), (23, 3564672), (24, 3416144), (32, 2562108), (46, 1782336), (48, 1708072), (64, 1281054), (69, 1188224), (92, 891168), (96, 854036), (128, 640527), (138, 594112), (184, 445584), (192, 427018), (276, 297056), (368, 222792), (384, 213509), (552, 148528), (736, 111396), (1104, 74264), (1472, 55698), (2208, 37132), (2944, 27849), (4416, 18566), (8832, 9283)]