31579115

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 43390080

約数和(自身を除く): 11810965

約数列:

[1, 5, 17, 23, 29, 85, 115, 145, 391, 493, 557, 667, 1955, 2465, 2785, 3335, 9469, 11339, 12811, 16153, 47345, 56695, 64055, 80765, 217787, 274601, 371519, 1088935, 1373005, 1857595, 6315823, 31579115]

約数ペア:

[(1, 31579115), (5, 6315823), (17, 1857595), (23, 1373005), (29, 1088935), (85, 371519), (115, 274601), (145, 217787), (391, 80765), (493, 64055), (557, 56695), (667, 47345), (1955, 16153), (2465, 12811), (2785, 11339), (3335, 9469)]