28530306

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1$

素因数の和:341

約数の個数: 80

約数和(自身を含む): 73993920

約数和(自身を除く): 45463614

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 139, 162, 181, 189, 278, 362, 378, 417, 543, 567, 834, 973, 1086, 1134, 1251, 1267, 1629, 1946, 2502, 2534, 2919, 3258, 3753, 3801, 4887, 5838, 7506, 7602, 8757, 9774, 11259, 11403, 14661, 17514, 22518, 22806, 25159, 26271, 29322, 34209, 50318, 52542, 68418, 75477, 78813, 102627, 150954, 157626, 176113, 205254, 226431, 352226, 452862, 528339, 679293, 1056678, 1358586, 1585017, 2037879, 3170034, 4075758, 4755051, 9510102, 14265153, 28530306]

約数ペア:

[(1, 28530306), (2, 14265153), (3, 9510102), (6, 4755051), (7, 4075758), (9, 3170034), (14, 2037879), (18, 1585017), (21, 1358586), (27, 1056678), (42, 679293), (54, 528339), (63, 452862), (81, 352226), (126, 226431), (139, 205254), (162, 176113), (181, 157626), (189, 150954), (278, 102627), (362, 78813), (378, 75477), (417, 68418), (543, 52542), (567, 50318), (834, 34209), (973, 29322), (1086, 26271), (1134, 25159), (1251, 22806), (1267, 22518), (1629, 17514), (1946, 14661), (2502, 11403), (2534, 11259), (2919, 9774), (3258, 8757), (3753, 7602), (3801, 7506), (4887, 5838)]