1271543615

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{155731}}^1$

素因数の和:155830

約数の個数: 16

約数和(自身を含む): 1614629376

約数和(自身を除く): 343085761

約数列:

[1, 5, 23, 71, 115, 355, 1633, 8165, 155731, 778655, 3581813, 11056901, 17909065, 55284505, 254308723, 1271543615]

約数ペア:

[(1, 1271543615), (5, 254308723), (23, 55284505), (71, 17909065), (115, 11056901), (355, 3581813), (1633, 778655), (8165, 155731)]