28755455

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 37033200

約数和(自身を除く): 8277745

約数列:

[1, 5, 19, 89, 95, 179, 361, 445, 895, 1691, 1805, 3401, 8455, 15931, 17005, 32129, 64619, 79655, 160645, 302689, 323095, 1513445, 5751091, 28755455]

約数ペア:

[(1, 28755455), (5, 5751091), (19, 1513445), (89, 323095), (95, 302689), (179, 160645), (361, 79655), (445, 64619), (895, 32129), (1691, 17005), (1805, 15931), (3401, 8455)]