31982015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 44343936

約数和(自身を除く): 12361921

約数列:

[1, 5, 13, 17, 65, 85, 103, 221, 281, 515, 1105, 1339, 1405, 1751, 3653, 4777, 6695, 8755, 18265, 22763, 23885, 28943, 62101, 113815, 144715, 310505, 376259, 492031, 1881295, 2460155, 6396403, 31982015]

約数ペア:

[(1, 31982015), (5, 6396403), (13, 2460155), (17, 1881295), (65, 492031), (85, 376259), (103, 310505), (221, 144715), (281, 113815), (515, 62101), (1105, 28943), (1339, 23885), (1405, 22763), (1751, 18265), (3653, 8755), (4777, 6695)]