215965178429

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{994237}}^1$

素因数の和:994306

約数の個数: 48

約数和(自身を含む): 304666338816

約数和(自身を除く): 88701160387

約数列:

[1, 7, 11, 13, 31, 49, 77, 91, 143, 217, 341, 403, 539, 637, 1001, 1519, 2387, 2821, 4433, 7007, 16709, 19747, 31031, 217217, 994237, 6959659, 10936607, 12925081, 30821347, 48717613, 76556249, 90475567, 142175891, 215749429, 339034817, 400677511, 535893743, 633328969, 995231237, 1510246003, 2373243719, 2804742577, 4407452621, 6966618659, 16612706033, 19633198039, 30852168347, 215965178429]

約数ペア:

[(1, 215965178429), (7, 30852168347), (11, 19633198039), (13, 16612706033), (31, 6966618659), (49, 4407452621), (77, 2804742577), (91, 2373243719), (143, 1510246003), (217, 995231237), (341, 633328969), (403, 535893743), (539, 400677511), (637, 339034817), (1001, 215749429), (1519, 142175891), (2387, 90475567), (2821, 76556249), (4433, 48717613), (7007, 30821347), (16709, 12925081), (19747, 10936607), (31031, 6959659), (217217, 994237)]