13698940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 31201632

約数和(自身を除く): 17502692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 937, 1462, 1874, 2924, 3655, 3748, 4685, 7310, 9370, 14620, 15929, 18740, 31858, 40291, 63716, 79645, 80582, 159290, 161164, 201455, 318580, 402910, 684947, 805820, 1369894, 2739788, 3424735, 6849470, 13698940]

約数ペア:

[(1, 13698940), (2, 6849470), (4, 3424735), (5, 2739788), (10, 1369894), (17, 805820), (20, 684947), (34, 402910), (43, 318580), (68, 201455), (85, 161164), (86, 159290), (170, 80582), (172, 79645), (215, 63716), (340, 40291), (430, 31858), (731, 18740), (860, 15929), (937, 14620), (1462, 9370), (1874, 7310), (2924, 4685), (3655, 3748)]