1280453398

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{2689}}^1$

素因数の和:2861

約数の個数: 48

約数和(自身を含む): 2307309840

約数和(自身を除く): 1026856442

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 113, 226, 301, 602, 791, 1582, 2107, 2689, 4214, 4859, 5378, 5537, 9718, 11074, 18823, 34013, 37646, 68026, 115627, 131761, 231254, 238091, 263522, 303857, 476182, 607714, 809389, 1618778, 2126999, 4253998, 5665723, 11331446, 13065851, 14888993, 26131702, 29777986, 91460957, 182921914, 640226699, 1280453398]

約数ペア:

[(1, 1280453398), (2, 640226699), (7, 182921914), (14, 91460957), (43, 29777986), (49, 26131702), (86, 14888993), (98, 13065851), (113, 11331446), (226, 5665723), (301, 4253998), (602, 2126999), (791, 1618778), (1582, 809389), (2107, 607714), (2689, 476182), (4214, 303857), (4859, 263522), (5378, 238091), (5537, 231254), (9718, 131761), (11074, 115627), (18823, 68026), (34013, 37646)]