16195775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:379

約数の個数: 24

約数和(自身を含む): 21092400

約数和(自身を除く): 4896625

約数列:

[1, 5, 25, 29, 89, 145, 251, 445, 725, 1255, 2225, 2581, 6275, 7279, 12905, 22339, 36395, 64525, 111695, 181975, 558475, 647831, 3239155, 16195775]

約数ペア:

[(1, 16195775), (5, 3239155), (25, 647831), (29, 558475), (89, 181975), (145, 111695), (251, 64525), (445, 36395), (725, 22339), (1255, 12905), (2225, 7279), (2581, 6275)]