25648792

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 53099280

約数和(自身を除く): 27450488

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 169, 244, 311, 338, 488, 622, 676, 793, 1244, 1352, 1586, 2488, 3172, 4043, 6344, 8086, 10309, 16172, 18971, 20618, 32344, 37942, 41236, 52559, 75884, 82472, 105118, 151768, 210236, 246623, 420472, 493246, 986492, 1972984, 3206099, 6412198, 12824396, 25648792]

約数ペア:

[(1, 25648792), (2, 12824396), (4, 6412198), (8, 3206099), (13, 1972984), (26, 986492), (52, 493246), (61, 420472), (104, 246623), (122, 210236), (169, 151768), (244, 105118), (311, 82472), (338, 75884), (488, 52559), (622, 41236), (676, 37942), (793, 32344), (1244, 20618), (1352, 18971), (1586, 16172), (2488, 10309), (3172, 8086), (4043, 6344)]