28138344

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{90187}}^1$

素因数の和:90209

約数の個数: 32

約数和(自身を含む): 75757920

約数和(自身を除く): 47619576

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 90187, 180374, 270561, 360748, 541122, 721496, 1082244, 1172431, 2164488, 2344862, 3517293, 4689724, 7034586, 9379448, 14069172, 28138344]

約数ペア:

[(1, 28138344), (2, 14069172), (3, 9379448), (4, 7034586), (6, 4689724), (8, 3517293), (12, 2344862), (13, 2164488), (24, 1172431), (26, 1082244), (39, 721496), (52, 541122), (78, 360748), (104, 270561), (156, 180374), (312, 90187)]