805304816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{997}}^1\times {\mathrm{2657}}^1$

素因数の和:3681

約数の個数: 40

約数和(自身を含む): 1644664080

約数和(自身を除く): 839359264

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 997, 1994, 2657, 3988, 5314, 7976, 10628, 15952, 18943, 21256, 37886, 42512, 50483, 75772, 100966, 151544, 201932, 303088, 403864, 807728, 2649029, 5298058, 10596116, 21192232, 42384464, 50331551, 100663102, 201326204, 402652408, 805304816]

約数ペア:

[(1, 805304816), (2, 402652408), (4, 201326204), (8, 100663102), (16, 50331551), (19, 42384464), (38, 21192232), (76, 10596116), (152, 5298058), (304, 2649029), (997, 807728), (1994, 403864), (2657, 303088), (3988, 201932), (5314, 151544), (7976, 100966), (10628, 75772), (15952, 50483), (18943, 42512), (21256, 37886)]