648963310

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 1234455552

約数和(自身を除く): 585492242

約数列:

[1, 2, 5, 10, 43, 47, 86, 94, 163, 197, 215, 235, 326, 394, 430, 470, 815, 985, 1630, 1970, 2021, 4042, 7009, 7661, 8471, 9259, 10105, 14018, 15322, 16942, 18518, 20210, 32111, 35045, 38305, 42355, 46295, 64222, 70090, 76610, 84710, 92590, 160555, 321110, 329423, 398137, 658846, 796274, 1380773, 1509217, 1647115, 1990685, 2761546, 3018434, 3294230, 3981370, 6903865, 7546085, 13807730, 15092170, 64896331, 129792662, 324481655, 648963310]

約数ペア:

[(1, 648963310), (2, 324481655), (5, 129792662), (10, 64896331), (43, 15092170), (47, 13807730), (86, 7546085), (94, 6903865), (163, 3981370), (197, 3294230), (215, 3018434), (235, 2761546), (326, 1990685), (394, 1647115), (430, 1509217), (470, 1380773), (815, 796274), (985, 658846), (1630, 398137), (1970, 329423), (2021, 321110), (4042, 160555), (7009, 92590), (7661, 84710), (8471, 76610), (9259, 70090), (10105, 64222), (14018, 46295), (15322, 42355), (16942, 38305), (18518, 35045), (20210, 32111)]