489425690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{22277}}^1$

素因数の和:22323

約数の個数: 32

約数和(自身を含む): 954389520

約数和(自身を除く): 464963830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 2197, 4394, 10985, 21970, 22277, 44554, 111385, 222770, 289601, 579202, 1448005, 2896010, 3764813, 7529626, 18824065, 37648130, 48942569, 97885138, 244712845, 489425690]

約数ペア:

[(1, 489425690), (2, 244712845), (5, 97885138), (10, 48942569), (13, 37648130), (26, 18824065), (65, 7529626), (130, 3764813), (169, 2896010), (338, 1448005), (845, 579202), (1690, 289601), (2197, 222770), (4394, 111385), (10985, 44554), (21970, 22277)]