281729185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2719}}^1$

素因数の和:2817

約数の個数: 32

約数和(自身を含む): 380712960

約数和(自身を除く): 98983775

約数列:

[1, 5, 17, 23, 53, 85, 115, 265, 391, 901, 1219, 1955, 2719, 4505, 6095, 13595, 20723, 46223, 62537, 103615, 144107, 231115, 312685, 720535, 1063129, 2449819, 3314461, 5315645, 12249095, 16572305, 56345837, 281729185]

約数ペア:

[(1, 281729185), (5, 56345837), (17, 16572305), (23, 12249095), (53, 5315645), (85, 3314461), (115, 2449819), (265, 1063129), (391, 720535), (901, 312685), (1219, 231115), (1955, 144107), (2719, 103615), (4505, 62537), (6095, 46223), (13595, 20723)]