280776976

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{1601}}^1$

素因数の和:1819

約数の個数: 40

約数和(自身を含む): 554823864

約数和(自身を除く): 274046888

約数列:

[1, 2, 4, 8, 16, 97, 113, 194, 226, 388, 452, 776, 904, 1552, 1601, 1808, 3202, 6404, 10961, 12808, 21922, 25616, 43844, 87688, 155297, 175376, 180913, 310594, 361826, 621188, 723652, 1242376, 1447304, 2484752, 2894608, 17548561, 35097122, 70194244, 140388488, 280776976]

約数ペア:

[(1, 280776976), (2, 140388488), (4, 70194244), (8, 35097122), (16, 17548561), (97, 2894608), (113, 2484752), (194, 1447304), (226, 1242376), (388, 723652), (452, 621188), (776, 361826), (904, 310594), (1552, 180913), (1601, 175376), (1808, 155297), (3202, 87688), (6404, 43844), (10961, 25616), (12808, 21922)]