28285236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1049}}^1$

素因数の和:1173

約数の個数: 72

約数和(自身を含む): 82555200

約数和(自身を除く): 54269964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 107, 126, 214, 252, 321, 428, 642, 749, 963, 1049, 1284, 1498, 1926, 2098, 2247, 2996, 3147, 3852, 4196, 4494, 6294, 6741, 7343, 8988, 9441, 12588, 13482, 14686, 18882, 22029, 26964, 29372, 37764, 44058, 66087, 88116, 112243, 132174, 224486, 264348, 336729, 448972, 673458, 785701, 1010187, 1346916, 1571402, 2020374, 2357103, 3142804, 4040748, 4714206, 7071309, 9428412, 14142618, 28285236]

約数ペア:

[(1, 28285236), (2, 14142618), (3, 9428412), (4, 7071309), (6, 4714206), (7, 4040748), (9, 3142804), (12, 2357103), (14, 2020374), (18, 1571402), (21, 1346916), (28, 1010187), (36, 785701), (42, 673458), (63, 448972), (84, 336729), (107, 264348), (126, 224486), (214, 132174), (252, 112243), (321, 88116), (428, 66087), (642, 44058), (749, 37764), (963, 29372), (1049, 26964), (1284, 22029), (1498, 18882), (1926, 14686), (2098, 13482), (2247, 12588), (2996, 9441), (3147, 8988), (3852, 7343), (4196, 6741), (4494, 6294)]