28343777

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 38154240

約数和(自身を除く): 9810463

約数列:

[1, 7, 11, 17, 59, 77, 119, 187, 367, 413, 649, 1003, 1309, 2569, 4037, 4543, 6239, 7021, 11033, 21653, 28259, 43673, 68629, 77231, 151571, 238183, 368101, 480403, 1667281, 2576707, 4049111, 28343777]

約数ペア:

[(1, 28343777), (7, 4049111), (11, 2576707), (17, 1667281), (59, 480403), (77, 368101), (119, 238183), (187, 151571), (367, 77231), (413, 68629), (649, 43673), (1003, 28259), (1309, 21653), (2569, 11033), (4037, 7021), (4543, 6239)]