28721436

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 68947200

約数和(自身を除く): 40225764

約数列:

[1, 2, 3, 4, 6, 12, 59, 113, 118, 177, 226, 236, 339, 354, 359, 452, 678, 708, 718, 1077, 1356, 1436, 2154, 4308, 6667, 13334, 20001, 21181, 26668, 40002, 40567, 42362, 63543, 80004, 81134, 84724, 121701, 127086, 162268, 243402, 254172, 486804, 2393453, 4786906, 7180359, 9573812, 14360718, 28721436]

約数ペア:

[(1, 28721436), (2, 14360718), (3, 9573812), (4, 7180359), (6, 4786906), (12, 2393453), (59, 486804), (113, 254172), (118, 243402), (177, 162268), (226, 127086), (236, 121701), (339, 84724), (354, 81134), (359, 80004), (452, 63543), (678, 42362), (708, 40567), (718, 40002), (1077, 26668), (1356, 21181), (1436, 20001), (2154, 13334), (4308, 6667)]