251019036

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{971}}^1$

素因数の和:1191

約数の個数: 72

約数和(自身を含む): 653837184

約数和(自身を除く): 402818148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 167, 172, 258, 334, 387, 501, 516, 668, 774, 971, 1002, 1503, 1548, 1942, 2004, 2913, 3006, 3884, 5826, 6012, 7181, 8739, 11652, 14362, 17478, 21543, 28724, 34956, 41753, 43086, 64629, 83506, 86172, 125259, 129258, 162157, 167012, 250518, 258516, 324314, 375777, 486471, 501036, 648628, 751554, 972942, 1459413, 1503108, 1945884, 2918826, 5837652, 6972751, 13945502, 20918253, 27891004, 41836506, 62754759, 83673012, 125509518, 251019036]

約数ペア:

[(1, 251019036), (2, 125509518), (3, 83673012), (4, 62754759), (6, 41836506), (9, 27891004), (12, 20918253), (18, 13945502), (36, 6972751), (43, 5837652), (86, 2918826), (129, 1945884), (167, 1503108), (172, 1459413), (258, 972942), (334, 751554), (387, 648628), (501, 501036), (516, 486471), (668, 375777), (774, 324314), (971, 258516), (1002, 250518), (1503, 167012), (1548, 162157), (1942, 129258), (2004, 125259), (2913, 86172), (3006, 83506), (3884, 64629), (5826, 43086), (6012, 41753), (7181, 34956), (8739, 28724), (11652, 21543), (14362, 17478)]