977890225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{64019}}^1$

素因数の和:64089

約数の個数: 24

約数和(自身を含む): 1333664640

約数和(自身を除く): 355774415

約数列:

[1, 5, 13, 25, 47, 65, 235, 325, 611, 1175, 3055, 15275, 64019, 320095, 832247, 1600475, 3008893, 4161235, 15044465, 20806175, 39115609, 75222325, 195578045, 977890225]

約数ペア:

[(1, 977890225), (5, 195578045), (13, 75222325), (25, 39115609), (47, 20806175), (65, 15044465), (235, 4161235), (325, 3008893), (611, 1600475), (1175, 832247), (3055, 320095), (15275, 64019)]