28356084

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 75053160

約数和(自身を除く): 46697076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 157, 173, 174, 261, 314, 346, 348, 471, 519, 522, 628, 692, 942, 1038, 1044, 1413, 1557, 1884, 2076, 2826, 3114, 4553, 5017, 5652, 6228, 9106, 10034, 13659, 15051, 18212, 20068, 27161, 27318, 30102, 40977, 45153, 54322, 54636, 60204, 81483, 81954, 90306, 108644, 162966, 163908, 180612, 244449, 325932, 488898, 787669, 977796, 1575338, 2363007, 3150676, 4726014, 7089021, 9452028, 14178042, 28356084]

約数ペア:

[(1, 28356084), (2, 14178042), (3, 9452028), (4, 7089021), (6, 4726014), (9, 3150676), (12, 2363007), (18, 1575338), (29, 977796), (36, 787669), (58, 488898), (87, 325932), (116, 244449), (157, 180612), (173, 163908), (174, 162966), (261, 108644), (314, 90306), (346, 81954), (348, 81483), (471, 60204), (519, 54636), (522, 54322), (628, 45153), (692, 40977), (942, 30102), (1038, 27318), (1044, 27161), (1413, 20068), (1557, 18212), (1884, 15051), (2076, 13659), (2826, 10034), (3114, 9106), (4553, 6228), (5017, 5652)]