215456065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{941}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 296255232

約数和(自身を除く): 80799167

約数列:

[1, 5, 11, 23, 55, 115, 181, 253, 905, 941, 1265, 1991, 4163, 4705, 9955, 10351, 20815, 21643, 45793, 51755, 108215, 170321, 228965, 238073, 851605, 1190365, 1873531, 3917383, 9367655, 19586915, 43091213, 215456065]

約数ペア:

[(1, 215456065), (5, 43091213), (11, 19586915), (23, 9367655), (55, 3917383), (115, 1873531), (181, 1190365), (253, 851605), (905, 238073), (941, 228965), (1265, 170321), (1991, 108215), (4163, 51755), (4705, 45793), (9955, 21643), (10351, 20815)]