156721006

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1129}}^1$

素因数の和:1444

約数の個数: 32

約数和(自身を含む): 267674400

約数和(自身を除く): 110953394

約数列:

[1, 2, 13, 19, 26, 38, 247, 281, 494, 562, 1129, 2258, 3653, 5339, 7306, 10678, 14677, 21451, 29354, 42902, 69407, 138814, 278863, 317249, 557726, 634498, 4124237, 6027731, 8248474, 12055462, 78360503, 156721006]

約数ペア:

[(1, 156721006), (2, 78360503), (13, 12055462), (19, 8248474), (26, 6027731), (38, 4124237), (247, 634498), (281, 557726), (494, 317249), (562, 278863), (1129, 138814), (2258, 69407), (3653, 42902), (5339, 29354), (7306, 21451), (10678, 14677)]