16401790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 30760704

約数和(自身を除く): 14358914

約数列:

[1, 2, 5, 10, 31, 62, 155, 157, 310, 314, 337, 674, 785, 1570, 1685, 3370, 4867, 9734, 10447, 20894, 24335, 48670, 52235, 52909, 104470, 105818, 264545, 529090, 1640179, 3280358, 8200895, 16401790]

約数ペア:

[(1, 16401790), (2, 8200895), (5, 3280358), (10, 1640179), (31, 529090), (62, 264545), (155, 105818), (157, 104470), (310, 52909), (314, 52235), (337, 48670), (674, 24335), (785, 20894), (1570, 10447), (1685, 9734), (3370, 4867)]