28523432

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 63504000

約数和(自身を除く): 34980568

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 89, 97, 118, 178, 194, 236, 356, 388, 413, 472, 623, 679, 712, 776, 826, 1246, 1358, 1652, 2492, 2716, 3304, 4984, 5251, 5432, 5723, 8633, 10502, 11446, 17266, 21004, 22892, 34532, 36757, 40061, 42008, 45784, 60431, 69064, 73514, 80122, 120862, 147028, 160244, 241724, 294056, 320488, 483448, 509347, 1018694, 2037388, 3565429, 4074776, 7130858, 14261716, 28523432]

約数ペア:

[(1, 28523432), (2, 14261716), (4, 7130858), (7, 4074776), (8, 3565429), (14, 2037388), (28, 1018694), (56, 509347), (59, 483448), (89, 320488), (97, 294056), (118, 241724), (178, 160244), (194, 147028), (236, 120862), (356, 80122), (388, 73514), (413, 69064), (472, 60431), (623, 45784), (679, 42008), (712, 40061), (776, 36757), (826, 34532), (1246, 22892), (1358, 21004), (1652, 17266), (2492, 11446), (2716, 10502), (3304, 8633), (4984, 5723), (5251, 5432)]