82790305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{227}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 111541248

約数和(自身を除く): 28750943

約数列:

[1, 5, 13, 31, 65, 155, 181, 227, 403, 905, 1135, 2015, 2353, 2951, 5611, 7037, 11765, 14755, 28055, 35185, 41087, 72943, 91481, 205435, 364715, 457405, 534131, 1273697, 2670655, 6368485, 16558061, 82790305]

約数ペア:

[(1, 82790305), (5, 16558061), (13, 6368485), (31, 2670655), (65, 1273697), (155, 534131), (181, 457405), (227, 364715), (403, 205435), (905, 91481), (1135, 72943), (2015, 41087), (2353, 35185), (2951, 28055), (5611, 14755), (7037, 11765)]