209250704

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{13781}}^1$

素因数の和:13875

約数の個数: 40

約数和(自身を含む): 442622712

約数和(自身を除く): 233372008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1898, 3796, 7592, 13781, 15184, 27562, 55124, 110248, 179153, 220496, 358306, 716612, 1006013, 1433224, 2012026, 2866448, 4024052, 8048104, 13078169, 16096208, 26156338, 52312676, 104625352, 209250704]

約数ペア:

[(1, 209250704), (2, 104625352), (4, 52312676), (8, 26156338), (13, 16096208), (16, 13078169), (26, 8048104), (52, 4024052), (73, 2866448), (104, 2012026), (146, 1433224), (208, 1006013), (292, 716612), (584, 358306), (949, 220496), (1168, 179153), (1898, 110248), (3796, 55124), (7592, 27562), (13781, 15184)]