81111424

素因数分解:

$2^7\times {\mathrm{317}}^1\times {\mathrm{1999}}^1$

素因数の和:2330

約数の個数: 32

約数和(自身を含む): 162180000

約数和(自身を除く): 81068576

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 317, 634, 1268, 1999, 2536, 3998, 5072, 7996, 10144, 15992, 20288, 31984, 40576, 63968, 127936, 255872, 633683, 1267366, 2534732, 5069464, 10138928, 20277856, 40555712, 81111424]

約数ペア:

[(1, 81111424), (2, 40555712), (4, 20277856), (8, 10138928), (16, 5069464), (32, 2534732), (64, 1267366), (128, 633683), (317, 255872), (634, 127936), (1268, 63968), (1999, 40576), (2536, 31984), (3998, 20288), (5072, 15992), (7996, 10144)]