2498745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 4354560

約数和(自身を除く): 1855815

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 239, 255, 615, 697, 717, 1195, 2091, 3485, 3585, 4063, 9799, 10455, 12189, 20315, 29397, 48995, 60945, 146985, 166583, 499749, 832915, 2498745]

約数ペア:

[(1, 2498745), (3, 832915), (5, 499749), (15, 166583), (17, 146985), (41, 60945), (51, 48995), (85, 29397), (123, 20315), (205, 12189), (239, 10455), (255, 9799), (615, 4063), (697, 3585), (717, 3485), (1195, 2091)]