1213203475

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{389}}^1\times {\mathrm{1031}}^1$

素因数の和:1452

約数の個数: 36

約数和(自身を含む): 1659425040

約数和(自身を除く): 446221565

約数列:

[1, 5, 11, 25, 55, 121, 275, 389, 605, 1031, 1945, 3025, 4279, 5155, 9725, 11341, 21395, 25775, 47069, 56705, 106975, 124751, 235345, 283525, 401059, 623755, 1176725, 2005295, 3118775, 4411649, 10026475, 22058245, 48528139, 110291225, 242640695, 1213203475]

約数ペア:

[(1, 1213203475), (5, 242640695), (11, 110291225), (25, 48528139), (55, 22058245), (121, 10026475), (275, 4411649), (389, 3118775), (605, 2005295), (1031, 1176725), (1945, 623755), (3025, 401059), (4279, 283525), (5155, 235345), (9725, 124751), (11341, 106975), (21395, 56705), (25775, 47069)]