291972278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{751}}^1\times {\mathrm{787}}^1$

素因数の和:1572

約数の個数: 32

約数和(自身を含む): 497763840

約数和(自身を除く): 205791562

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 751, 787, 1502, 1574, 9763, 10231, 14269, 14953, 19526, 20462, 28538, 29906, 185497, 194389, 370994, 388778, 591037, 1182074, 7683481, 11229703, 15366962, 22459406, 145986139, 291972278]

約数ペア:

[(1, 291972278), (2, 145986139), (13, 22459406), (19, 15366962), (26, 11229703), (38, 7683481), (247, 1182074), (494, 591037), (751, 388778), (787, 370994), (1502, 194389), (1574, 185497), (9763, 29906), (10231, 28538), (14269, 20462), (14953, 19526)]