51481355

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 69672960

約数和(自身を除く): 18191605

約数列:

[1, 5, 17, 19, 85, 95, 127, 251, 323, 635, 1255, 1615, 2159, 2413, 4267, 4769, 10795, 12065, 21335, 23845, 31877, 41021, 81073, 159385, 205105, 405365, 541909, 605663, 2709545, 3028315, 10296271, 51481355]

約数ペア:

[(1, 51481355), (5, 10296271), (17, 3028315), (19, 2709545), (85, 605663), (95, 541909), (127, 405365), (251, 205105), (323, 159385), (635, 81073), (1255, 41021), (1615, 31877), (2159, 23845), (2413, 21335), (4267, 12065), (4769, 10795)]