28357812

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2617}}^1$

素因数の和:2677

約数の個数: 72

約数和(自身を含む): 83859776

約数和(自身を除く): 55501964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 43, 63, 84, 86, 126, 129, 172, 252, 258, 301, 387, 516, 602, 774, 903, 1204, 1548, 1806, 2617, 2709, 3612, 5234, 5418, 7851, 10468, 10836, 15702, 18319, 23553, 31404, 36638, 47106, 54957, 73276, 94212, 109914, 112531, 164871, 219828, 225062, 329742, 337593, 450124, 659484, 675186, 787717, 1012779, 1350372, 1575434, 2025558, 2363151, 3150868, 4051116, 4726302, 7089453, 9452604, 14178906, 28357812]

約数ペア:

[(1, 28357812), (2, 14178906), (3, 9452604), (4, 7089453), (6, 4726302), (7, 4051116), (9, 3150868), (12, 2363151), (14, 2025558), (18, 1575434), (21, 1350372), (28, 1012779), (36, 787717), (42, 675186), (43, 659484), (63, 450124), (84, 337593), (86, 329742), (126, 225062), (129, 219828), (172, 164871), (252, 112531), (258, 109914), (301, 94212), (387, 73276), (516, 54957), (602, 47106), (774, 36638), (903, 31404), (1204, 23553), (1548, 18319), (1806, 15702), (2617, 10836), (2709, 10468), (3612, 7851), (5234, 5418)]