28266714

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{853}}^1$

素因数の和:1131

約数の個数: 48

約数和(自身を含む): 70342272

約数和(自身を除く): 42075558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 263, 526, 789, 853, 1578, 1706, 1841, 2367, 2559, 3682, 4734, 5118, 5523, 5971, 7677, 11046, 11942, 15354, 16569, 17913, 33138, 35826, 53739, 107478, 224339, 448678, 673017, 1346034, 1570373, 2019051, 3140746, 4038102, 4711119, 9422238, 14133357, 28266714]

約数ペア:

[(1, 28266714), (2, 14133357), (3, 9422238), (6, 4711119), (7, 4038102), (9, 3140746), (14, 2019051), (18, 1570373), (21, 1346034), (42, 673017), (63, 448678), (126, 224339), (263, 107478), (526, 53739), (789, 35826), (853, 33138), (1578, 17913), (1706, 16569), (1841, 15354), (2367, 11942), (2559, 11046), (3682, 7677), (4734, 5971), (5118, 5523)]