247258128

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{396247}}^1$

素因数の和:396271

約数の個数: 40

約数和(自身を含む): 687886528

約数和(自身を除く): 440628400

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 396247, 792494, 1188741, 1584988, 2377482, 3169976, 4754964, 5151211, 6339952, 9509928, 10302422, 15453633, 19019856, 20604844, 30907266, 41209688, 61814532, 82419376, 123629064, 247258128]

約数ペア:

[(1, 247258128), (2, 123629064), (3, 82419376), (4, 61814532), (6, 41209688), (8, 30907266), (12, 20604844), (13, 19019856), (16, 15453633), (24, 10302422), (26, 9509928), (39, 6339952), (48, 5151211), (52, 4754964), (78, 3169976), (104, 2377482), (156, 1584988), (208, 1188741), (312, 792494), (624, 396247)]