256249508

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 475009920

約数和(自身を除く): 218760412

約数列:

[1, 2, 4, 41, 59, 71, 82, 118, 142, 164, 236, 284, 373, 746, 1492, 2419, 2911, 4189, 4838, 5822, 8378, 9676, 11644, 15293, 16756, 22007, 26483, 30586, 44014, 52966, 61172, 88028, 105932, 171749, 343498, 686996, 902287, 1085803, 1562497, 1804574, 2171606, 3124994, 3609148, 4343212, 6249988, 64062377, 128124754, 256249508]

約数ペア:

[(1, 256249508), (2, 128124754), (4, 64062377), (41, 6249988), (59, 4343212), (71, 3609148), (82, 3124994), (118, 2171606), (142, 1804574), (164, 1562497), (236, 1085803), (284, 902287), (373, 686996), (746, 343498), (1492, 171749), (2419, 105932), (2911, 88028), (4189, 61172), (4838, 52966), (5822, 44014), (8378, 30586), (9676, 26483), (11644, 22007), (15293, 16756)]