420207359

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 504947520

約数和(自身を除く): 84740161

約数列:

[1, 11, 13, 89, 137, 143, 241, 979, 1157, 1507, 1781, 2651, 3133, 12193, 12727, 19591, 21449, 33017, 34463, 134123, 158509, 235939, 278837, 363187, 429221, 1743599, 2938513, 3067207, 4721431, 32323643, 38200669, 420207359]

約数ペア:

[(1, 420207359), (11, 38200669), (13, 32323643), (89, 4721431), (137, 3067207), (143, 2938513), (241, 1743599), (979, 429221), (1157, 363187), (1507, 278837), (1781, 235939), (2651, 158509), (3133, 134123), (12193, 34463), (12727, 33017), (19591, 21449)]