28145365

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 36868608

約数和(自身を除く): 8723243

約数列:

[1, 5, 19, 31, 95, 155, 361, 503, 589, 1805, 2515, 2945, 9557, 11191, 15593, 47785, 55955, 77965, 181583, 296267, 907915, 1481335, 5629073, 28145365]

約数ペア:

[(1, 28145365), (5, 5629073), (19, 1481335), (31, 907915), (95, 296267), (155, 181583), (361, 77965), (503, 55955), (589, 47785), (1805, 15593), (2515, 11191), (2945, 9557)]