249235585

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1\times {\mathrm{1997}}^1$

素因数の和:2340

約数の個数: 16

約数和(自身を含む): 303296400

約数和(自身を除く): 54060815

約数列:

[1, 5, 109, 229, 545, 1145, 1997, 9985, 24961, 124805, 217673, 457313, 1088365, 2286565, 49847117, 249235585]

約数ペア:

[(1, 249235585), (5, 49847117), (109, 2286565), (229, 1088365), (545, 457313), (1145, 217673), (1997, 124805), (9985, 24961)]