28559575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 42184800

約数和(自身を除く): 13625225

約数列:

[1, 5, 11, 17, 25, 41, 55, 85, 149, 187, 205, 275, 425, 451, 697, 745, 935, 1025, 1639, 2255, 2533, 3485, 3725, 4675, 6109, 7667, 8195, 11275, 12665, 17425, 27863, 30545, 38335, 40975, 63325, 67199, 103853, 139315, 152725, 191675, 335995, 519265, 696575, 1142383, 1679975, 2596325, 5711915, 28559575]

約数ペア:

[(1, 28559575), (5, 5711915), (11, 2596325), (17, 1679975), (25, 1142383), (41, 696575), (55, 519265), (85, 335995), (149, 191675), (187, 152725), (205, 139315), (275, 103853), (425, 67199), (451, 63325), (697, 40975), (745, 38335), (935, 30545), (1025, 27863), (1639, 17425), (2255, 12665), (2533, 11275), (3485, 8195), (3725, 7667), (4675, 6109)]