397492711

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2801}}^1$

素因数の和:2935

約数の個数: 32

約数和(自身を含む): 527224320

約数和(自身を除く): 129731609

約数列:

[1, 7, 11, 19, 77, 97, 133, 209, 679, 1067, 1463, 1843, 2801, 7469, 12901, 19607, 20273, 30811, 53219, 141911, 215677, 271697, 372533, 585409, 1901879, 2988667, 4097863, 5162243, 20920669, 36135701, 56784673, 397492711]

約数ペア:

[(1, 397492711), (7, 56784673), (11, 36135701), (19, 20920669), (77, 5162243), (97, 4097863), (133, 2988667), (209, 1901879), (679, 585409), (1067, 372533), (1463, 271697), (1843, 215677), (2801, 141911), (7469, 53219), (12901, 30811), (19607, 20273)]