28649352

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 128

約数和(自身を含む): 82114560

約数和(自身を除く): 53465208

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 23, 24, 34, 43, 46, 51, 68, 69, 71, 86, 92, 102, 129, 136, 138, 142, 172, 184, 204, 213, 258, 276, 284, 344, 391, 408, 426, 516, 552, 568, 731, 782, 852, 989, 1032, 1173, 1207, 1462, 1564, 1633, 1704, 1978, 2193, 2346, 2414, 2924, 2967, 3053, 3128, 3266, 3621, 3956, 4386, 4692, 4828, 4899, 5848, 5934, 6106, 6532, 7242, 7912, 8772, 9159, 9384, 9656, 9798, 11868, 12212, 13064, 14484, 16813, 17544, 18318, 19596, 23736, 24424, 27761, 28968, 33626, 36636, 39192, 50439, 51901, 55522, 67252, 70219, 73272, 83283, 100878, 103802, 111044, 134504, 140438, 155703, 166566, 201756, 207604, 210657, 222088, 280876, 311406, 333132, 403512, 415208, 421314, 561752, 622812, 666264, 842628, 1193723, 1245624, 1685256, 2387446, 3581169, 4774892, 7162338, 9549784, 14324676, 28649352]

約数ペア:

[(1, 28649352), (2, 14324676), (3, 9549784), (4, 7162338), (6, 4774892), (8, 3581169), (12, 2387446), (17, 1685256), (23, 1245624), (24, 1193723), (34, 842628), (43, 666264), (46, 622812), (51, 561752), (68, 421314), (69, 415208), (71, 403512), (86, 333132), (92, 311406), (102, 280876), (129, 222088), (136, 210657), (138, 207604), (142, 201756), (172, 166566), (184, 155703), (204, 140438), (213, 134504), (258, 111044), (276, 103802), (284, 100878), (344, 83283), (391, 73272), (408, 70219), (426, 67252), (516, 55522), (552, 51901), (568, 50439), (731, 39192), (782, 36636), (852, 33626), (989, 28968), (1032, 27761), (1173, 24424), (1207, 23736), (1462, 19596), (1564, 18318), (1633, 17544), (1704, 16813), (1978, 14484), (2193, 13064), (2346, 12212), (2414, 11868), (2924, 9798), (2967, 9656), (3053, 9384), (3128, 9159), (3266, 8772), (3621, 7912), (3956, 7242), (4386, 6532), (4692, 6106), (4828, 5934), (4899, 5848)]