28712754

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1259}}^1$

素因数の和:1455

約数の個数: 48

約数和(自身を含む): 71547840

約数和(自身を除く): 42835086

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 181, 362, 543, 1086, 1259, 1267, 1629, 2518, 2534, 3258, 3777, 3801, 7554, 7602, 8813, 11331, 11403, 17626, 22662, 22806, 26439, 52878, 79317, 158634, 227879, 455758, 683637, 1367274, 1595153, 2050911, 3190306, 4101822, 4785459, 9570918, 14356377, 28712754]

約数ペア:

[(1, 28712754), (2, 14356377), (3, 9570918), (6, 4785459), (7, 4101822), (9, 3190306), (14, 2050911), (18, 1595153), (21, 1367274), (42, 683637), (63, 455758), (126, 227879), (181, 158634), (362, 79317), (543, 52878), (1086, 26439), (1259, 22806), (1267, 22662), (1629, 17626), (2518, 11403), (2534, 11331), (3258, 8813), (3777, 7602), (3801, 7554)]