1990332928

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{125399}}^1$

素因数の和:125448

約数の個数: 40

約数和(自身を含む): 4105094400

約数和(自身を除く): 2114761472

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 125399, 250798, 501596, 1003192, 2006384, 3887369, 4012768, 7774738, 8025536, 15549476, 16051072, 31098952, 32102144, 62197904, 64204288, 124395808, 248791616, 497583232, 995166464, 1990332928]

約数ペア:

[(1, 1990332928), (2, 995166464), (4, 497583232), (8, 248791616), (16, 124395808), (31, 64204288), (32, 62197904), (62, 32102144), (64, 31098952), (124, 16051072), (128, 15549476), (248, 8025536), (256, 7774738), (496, 4012768), (512, 3887369), (992, 2006384), (1984, 1003192), (3968, 501596), (7936, 250798), (15872, 125399)]