408398518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{907}}^1$

素因数の和:1228

約数の個数: 32

約数和(自身を含む): 679125888

約数和(自身を除く): 270727370

約数列:

[1, 2, 11, 22, 97, 194, 211, 422, 907, 1067, 1814, 2134, 2321, 4642, 9977, 19954, 20467, 40934, 87979, 175958, 191377, 225137, 382754, 450274, 967769, 1935538, 2105147, 4210294, 18563569, 37127138, 204199259, 408398518]

約数ペア:

[(1, 408398518), (2, 204199259), (11, 37127138), (22, 18563569), (97, 4210294), (194, 2105147), (211, 1935538), (422, 967769), (907, 450274), (1067, 382754), (1814, 225137), (2134, 191377), (2321, 175958), (4642, 87979), (9977, 40934), (19954, 20467)]