81650984

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{503}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 155675520

約数和(自身を除く): 74024536

約数列:

[1, 2, 4, 8, 103, 197, 206, 394, 412, 503, 788, 824, 1006, 1576, 2012, 4024, 20291, 40582, 51809, 81164, 99091, 103618, 162328, 198182, 207236, 396364, 414472, 792728, 10206373, 20412746, 40825492, 81650984]

約数ペア:

[(1, 81650984), (2, 40825492), (4, 20412746), (8, 10206373), (103, 792728), (197, 414472), (206, 396364), (394, 207236), (412, 198182), (503, 162328), (788, 103618), (824, 99091), (1006, 81164), (1576, 51809), (2012, 40582), (4024, 20291)]