898397470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{20563}}^1$

素因数の和:20844

約数の個数: 32

約数和(自身を含む): 1718985888

約数和(自身を除く): 820588418

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 257, 514, 1285, 2570, 4369, 8738, 20563, 21845, 41126, 43690, 102815, 205630, 349571, 699142, 1747855, 3495710, 5284691, 10569382, 26423455, 52846910, 89839747, 179679494, 449198735, 898397470]

約数ペア:

[(1, 898397470), (2, 449198735), (5, 179679494), (10, 89839747), (17, 52846910), (34, 26423455), (85, 10569382), (170, 5284691), (257, 3495710), (514, 1747855), (1285, 699142), (2570, 349571), (4369, 205630), (8738, 102815), (20563, 43690), (21845, 41126)]