256732008

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{757}}^1\times {\mathrm{1087}}^1$

素因数の和:1866

約数の個数: 64

約数和(自身を含む): 692751360

約数和(自身を除く): 436019352

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 757, 1087, 1514, 2174, 2271, 3028, 3261, 4348, 4542, 6056, 6522, 8696, 9084, 9841, 13044, 14131, 18168, 19682, 26088, 28262, 29523, 39364, 42393, 56524, 59046, 78728, 84786, 113048, 118092, 169572, 236184, 339144, 822859, 1645718, 2468577, 3291436, 4937154, 6582872, 9874308, 10697167, 19748616, 21394334, 32091501, 42788668, 64183002, 85577336, 128366004, 256732008]

約数ペア:

[(1, 256732008), (2, 128366004), (3, 85577336), (4, 64183002), (6, 42788668), (8, 32091501), (12, 21394334), (13, 19748616), (24, 10697167), (26, 9874308), (39, 6582872), (52, 4937154), (78, 3291436), (104, 2468577), (156, 1645718), (312, 822859), (757, 339144), (1087, 236184), (1514, 169572), (2174, 118092), (2271, 113048), (3028, 84786), (3261, 78728), (4348, 59046), (4542, 56524), (6056, 42393), (6522, 39364), (8696, 29523), (9084, 28262), (9841, 26088), (13044, 19682), (14131, 18168)]