247841215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{383}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 330448896

約数和(自身を除く): 82607681

約数列:

[1, 5, 17, 23, 85, 115, 331, 383, 391, 1655, 1915, 1955, 5627, 6511, 7613, 8809, 28135, 32555, 38065, 44045, 126773, 129421, 149753, 633865, 647105, 748765, 2155141, 2915779, 10775705, 14578895, 49568243, 247841215]

約数ペア:

[(1, 247841215), (5, 49568243), (17, 14578895), (23, 10775705), (85, 2915779), (115, 2155141), (331, 748765), (383, 647105), (391, 633865), (1655, 149753), (1915, 129421), (1955, 126773), (5627, 44045), (6511, 38065), (7613, 32555), (8809, 28135)]