628347775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{67}}^2\times {\mathrm{509}}^1$

素因数の和:664

約数の個数: 36

約数和(自身を含む): 864554040

約数和(自身を除く): 236206265

約数列:

[1, 5, 11, 25, 55, 67, 275, 335, 509, 737, 1675, 2545, 3685, 4489, 5599, 12725, 18425, 22445, 27995, 34103, 49379, 112225, 139975, 170515, 246895, 375133, 852575, 1234475, 1875665, 2284901, 9378325, 11424505, 25133911, 57122525, 125669555, 628347775]

約数ペア:

[(1, 628347775), (5, 125669555), (11, 57122525), (25, 25133911), (55, 11424505), (67, 9378325), (275, 2284901), (335, 1875665), (509, 1234475), (737, 852575), (1675, 375133), (2545, 246895), (3685, 170515), (4489, 139975), (5599, 112225), (12725, 49379), (18425, 34103), (22445, 27995)]