215768497

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1249}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 273600000

約数和(自身を除く): 57831503

約数列:

[1, 7, 23, 29, 37, 161, 203, 259, 667, 851, 1073, 1249, 4669, 5957, 7511, 8743, 24679, 28727, 36221, 46213, 172753, 201089, 253547, 323491, 833083, 1062899, 1340177, 5831581, 7440293, 9381239, 30824071, 215768497]

約数ペア:

[(1, 215768497), (7, 30824071), (23, 9381239), (29, 7440293), (37, 5831581), (161, 1340177), (203, 1062899), (259, 833083), (667, 323491), (851, 253547), (1073, 201089), (1249, 172753), (4669, 46213), (5957, 36221), (7511, 28727), (8743, 24679)]