247785728

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{31223}}^1$

素因数の和:31270

約数の個数: 36

約数和(自身を含む): 510574848

約数和(自身を除く): 262789120

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 31223, 62446, 124892, 249784, 499568, 967913, 999136, 1935826, 1998272, 3871652, 3996544, 7743304, 7993088, 15486608, 30973216, 61946432, 123892864, 247785728]

約数ペア:

[(1, 247785728), (2, 123892864), (4, 61946432), (8, 30973216), (16, 15486608), (31, 7993088), (32, 7743304), (62, 3996544), (64, 3871652), (124, 1998272), (128, 1935826), (248, 999136), (256, 967913), (496, 499568), (992, 249784), (1984, 124892), (3968, 62446), (7936, 31223)]