149430421

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 185472000

約数和(自身を除く): 36041579

約数列:

[1, 7, 19, 59, 133, 137, 139, 413, 959, 973, 1121, 2603, 2641, 7847, 8083, 8201, 18221, 18487, 19043, 56581, 57407, 133301, 153577, 155819, 361817, 1075039, 1090733, 1123537, 2532719, 7864759, 21347203, 149430421]

約数ペア:

[(1, 149430421), (7, 21347203), (19, 7864759), (59, 2532719), (133, 1123537), (137, 1090733), (139, 1075039), (413, 361817), (959, 155819), (973, 153577), (1121, 133301), (2603, 57407), (2641, 56581), (7847, 19043), (8083, 18487), (8201, 18221)]