28977584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:705

約数の個数: 40

約数和(自身を含む): 59520000

約数和(自身を除く): 30542416

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 199, 304, 398, 479, 796, 958, 1592, 1916, 3184, 3781, 3832, 7562, 7664, 9101, 15124, 18202, 30248, 36404, 60496, 72808, 95321, 145616, 190642, 381284, 762568, 1525136, 1811099, 3622198, 7244396, 14488792, 28977584]

約数ペア:

[(1, 28977584), (2, 14488792), (4, 7244396), (8, 3622198), (16, 1811099), (19, 1525136), (38, 762568), (76, 381284), (152, 190642), (199, 145616), (304, 95321), (398, 72808), (479, 60496), (796, 36404), (958, 30248), (1592, 18202), (1916, 15124), (3184, 9101), (3781, 7664), (3832, 7562)]