28516435

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 38891520

約数和(自身を除く): 10375085

約数列:

[1, 5, 19, 23, 31, 95, 115, 155, 421, 437, 589, 713, 2105, 2185, 2945, 3565, 7999, 9683, 13051, 13547, 39995, 48415, 65255, 67735, 183977, 247969, 300173, 919885, 1239845, 1500865, 5703287, 28516435]

約数ペア:

[(1, 28516435), (5, 5703287), (19, 1500865), (23, 1239845), (31, 919885), (95, 300173), (115, 247969), (155, 183977), (421, 67735), (437, 65255), (589, 48415), (713, 39995), (2105, 13547), (2185, 13051), (2945, 9683), (3565, 7999)]