2605984

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 5515776

約数和(自身を除く): 2909792

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 71, 74, 124, 142, 148, 248, 284, 296, 496, 568, 592, 992, 1136, 1147, 1184, 2201, 2272, 2294, 2627, 4402, 4588, 5254, 8804, 9176, 10508, 17608, 18352, 21016, 35216, 36704, 42032, 70432, 81437, 84064, 162874, 325748, 651496, 1302992, 2605984]

約数ペア:

[(1, 2605984), (2, 1302992), (4, 651496), (8, 325748), (16, 162874), (31, 84064), (32, 81437), (37, 70432), (62, 42032), (71, 36704), (74, 35216), (124, 21016), (142, 18352), (148, 17608), (248, 10508), (284, 9176), (296, 8804), (496, 5254), (568, 4588), (592, 4402), (992, 2627), (1136, 2294), (1147, 2272), (1184, 2201)]