16970075

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 22096800

約数和(自身を除く): 5126725

約数列:

[1, 5, 25, 29, 89, 145, 263, 445, 725, 1315, 2225, 2581, 6575, 7627, 12905, 23407, 38135, 64525, 117035, 190675, 585175, 678803, 3394015, 16970075]

約数ペア:

[(1, 16970075), (5, 3394015), (25, 678803), (29, 585175), (89, 190675), (145, 117035), (263, 64525), (445, 38135), (725, 23407), (1315, 12905), (2225, 7627), (2581, 6575)]