256728512

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{50777}}^1$

素因数の和:50868

約数の個数: 28

約数和(自身を含む): 515904480

約数和(自身を除く): 259175968

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 158, 316, 632, 1264, 2528, 5056, 50777, 101554, 203108, 406216, 812432, 1624864, 3249728, 4011383, 8022766, 16045532, 32091064, 64182128, 128364256, 256728512]

約数ペア:

[(1, 256728512), (2, 128364256), (4, 64182128), (8, 32091064), (16, 16045532), (32, 8022766), (64, 4011383), (79, 3249728), (158, 1624864), (316, 812432), (632, 406216), (1264, 203108), (2528, 101554), (5056, 50777)]