440947286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{2389}}^1$

素因数の和:2664

約数の個数: 32

約数和(自身を含む): 738796800

約数和(自身を除く): 297849514

約数列:

[1, 2, 13, 26, 31, 62, 229, 403, 458, 806, 2389, 2977, 4778, 5954, 7099, 14198, 31057, 62114, 74059, 92287, 148118, 184574, 547081, 962767, 1094162, 1925534, 7112053, 14224106, 16959511, 33919022, 220473643, 440947286]

約数ペア:

[(1, 440947286), (2, 220473643), (13, 33919022), (26, 16959511), (31, 14224106), (62, 7112053), (229, 1925534), (403, 1094162), (458, 962767), (806, 547081), (2389, 184574), (2977, 148118), (4778, 92287), (5954, 74059), (7099, 62114), (14198, 31057)]