1312240972

素因数分解:

$2^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 2717668800

約数和(自身を除く): 1405427828

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 109, 196, 218, 239, 257, 436, 478, 514, 763, 956, 1028, 1526, 1673, 1799, 3052, 3346, 3598, 5341, 6692, 7196, 10682, 11711, 12593, 21364, 23422, 25186, 26051, 28013, 46844, 50372, 52102, 56026, 61423, 104204, 112052, 122846, 182357, 196091, 245692, 364714, 392182, 429961, 729428, 784364, 859922, 1276499, 1372637, 1719844, 2552998, 2745274, 3009727, 5105996, 5490548, 6019454, 6695107, 12038908, 13390214, 26780428, 46865749, 93731498, 187462996, 328060243, 656120486, 1312240972]

約数ペア:

[(1, 1312240972), (2, 656120486), (4, 328060243), (7, 187462996), (14, 93731498), (28, 46865749), (49, 26780428), (98, 13390214), (109, 12038908), (196, 6695107), (218, 6019454), (239, 5490548), (257, 5105996), (436, 3009727), (478, 2745274), (514, 2552998), (763, 1719844), (956, 1372637), (1028, 1276499), (1526, 859922), (1673, 784364), (1799, 729428), (3052, 429961), (3346, 392182), (3598, 364714), (5341, 245692), (6692, 196091), (7196, 182357), (10682, 122846), (11711, 112052), (12593, 104204), (21364, 61423), (23422, 56026), (25186, 52102), (26051, 50372), (28013, 46844)]