28897024

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 65530640

約数和(自身を除く): 36633616

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 256, 304, 416, 457, 494, 608, 832, 914, 988, 1216, 1664, 1828, 1976, 2432, 3328, 3656, 3952, 4864, 5941, 7312, 7904, 8683, 11882, 14624, 15808, 17366, 23764, 29248, 31616, 34732, 47528, 58496, 63232, 69464, 95056, 112879, 116992, 138928, 190112, 225758, 277856, 380224, 451516, 555712, 760448, 903032, 1111424, 1520896, 1806064, 2222848, 3612128, 7224256, 14448512, 28897024]

約数ペア:

[(1, 28897024), (2, 14448512), (4, 7224256), (8, 3612128), (13, 2222848), (16, 1806064), (19, 1520896), (26, 1111424), (32, 903032), (38, 760448), (52, 555712), (64, 451516), (76, 380224), (104, 277856), (128, 225758), (152, 190112), (208, 138928), (247, 116992), (256, 112879), (304, 95056), (416, 69464), (457, 63232), (494, 58496), (608, 47528), (832, 34732), (914, 31616), (988, 29248), (1216, 23764), (1664, 17366), (1828, 15808), (1976, 14624), (2432, 11882), (3328, 8683), (3656, 7904), (3952, 7312), (4864, 5941)]