28890918

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:443

約数の個数: 80

約数和(自身を含む): 75213600

約数和(自身を除く): 46322682

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 73, 81, 126, 146, 162, 189, 219, 349, 378, 438, 511, 567, 657, 698, 1022, 1047, 1134, 1314, 1533, 1971, 2094, 2443, 3066, 3141, 3942, 4599, 4886, 5913, 6282, 7329, 9198, 9423, 11826, 13797, 14658, 18846, 21987, 25477, 27594, 28269, 41391, 43974, 50954, 56538, 65961, 76431, 82782, 131922, 152862, 178339, 197883, 229293, 356678, 395766, 458586, 535017, 687879, 1070034, 1375758, 1605051, 2063637, 3210102, 4127274, 4815153, 9630306, 14445459, 28890918]

約数ペア:

[(1, 28890918), (2, 14445459), (3, 9630306), (6, 4815153), (7, 4127274), (9, 3210102), (14, 2063637), (18, 1605051), (21, 1375758), (27, 1070034), (42, 687879), (54, 535017), (63, 458586), (73, 395766), (81, 356678), (126, 229293), (146, 197883), (162, 178339), (189, 152862), (219, 131922), (349, 82782), (378, 76431), (438, 65961), (511, 56538), (567, 50954), (657, 43974), (698, 41391), (1022, 28269), (1047, 27594), (1134, 25477), (1314, 21987), (1533, 18846), (1971, 14658), (2094, 13797), (2443, 11826), (3066, 9423), (3141, 9198), (3942, 7329), (4599, 6282), (4886, 5913)]