209569664

素因数分解:

$2^7\times {\mathrm{97}}^1\times {\mathrm{16879}}^1$

素因数の和:16990

約数の個数: 32

約数和(自身を含む): 421831200

約数和(自身を除く): 212261536

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 388, 776, 1552, 3104, 6208, 12416, 16879, 33758, 67516, 135032, 270064, 540128, 1080256, 1637263, 2160512, 3274526, 6549052, 13098104, 26196208, 52392416, 104784832, 209569664]

約数ペア:

[(1, 209569664), (2, 104784832), (4, 52392416), (8, 26196208), (16, 13098104), (32, 6549052), (64, 3274526), (97, 2160512), (128, 1637263), (194, 1080256), (388, 540128), (776, 270064), (1552, 135032), (3104, 67516), (6208, 33758), (12416, 16879)]