1984578688

素因数分解:

$2^7\times {\mathrm{223}}^1\times {\mathrm{251}}^1\times {\mathrm{277}}^1$

素因数の和:765

約数の個数: 64

約数和(自身を含む): 4001598720

約数和(自身を除く): 2017020032

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 223, 251, 277, 446, 502, 554, 892, 1004, 1108, 1784, 2008, 2216, 3568, 4016, 4432, 7136, 8032, 8864, 14272, 16064, 17728, 28544, 32128, 35456, 55973, 61771, 69527, 111946, 123542, 139054, 223892, 247084, 278108, 447784, 494168, 556216, 895568, 988336, 1112432, 1791136, 1976672, 2224864, 3582272, 3953344, 4449728, 7164544, 7906688, 8899456, 15504521, 31009042, 62018084, 124036168, 248072336, 496144672, 992289344, 1984578688]

約数ペア:

[(1, 1984578688), (2, 992289344), (4, 496144672), (8, 248072336), (16, 124036168), (32, 62018084), (64, 31009042), (128, 15504521), (223, 8899456), (251, 7906688), (277, 7164544), (446, 4449728), (502, 3953344), (554, 3582272), (892, 2224864), (1004, 1976672), (1108, 1791136), (1784, 1112432), (2008, 988336), (2216, 895568), (3568, 556216), (4016, 494168), (4432, 447784), (7136, 278108), (8032, 247084), (8864, 223892), (14272, 139054), (16064, 123542), (17728, 111946), (28544, 69527), (32128, 61771), (35456, 55973)]