221757516

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{44963}}^1$

素因数の和:45110

約数の個数: 36

約数和(自身を含む): 564657912

約数和(自身を除く): 342900396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 548, 822, 1233, 1644, 2466, 4932, 44963, 89926, 134889, 179852, 269778, 404667, 539556, 809334, 1618668, 6159931, 12319862, 18479793, 24639724, 36959586, 55439379, 73919172, 110878758, 221757516]

約数ペア:

[(1, 221757516), (2, 110878758), (3, 73919172), (4, 55439379), (6, 36959586), (9, 24639724), (12, 18479793), (18, 12319862), (36, 6159931), (137, 1618668), (274, 809334), (411, 539556), (548, 404667), (822, 269778), (1233, 179852), (1644, 134889), (2466, 89926), (4932, 44963)]