128516255

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2389}}^1$

素因数の和:2483

約数の個数: 32

約数和(自身を含む): 185846400

約数和(自身を除く): 57330145

約数列:

[1, 5, 7, 29, 35, 53, 145, 203, 265, 371, 1015, 1537, 1855, 2389, 7685, 10759, 11945, 16723, 53795, 69281, 83615, 126617, 346405, 484967, 633085, 886319, 2424835, 3671893, 4431595, 18359465, 25703251, 128516255]

約数ペア:

[(1, 128516255), (5, 25703251), (7, 18359465), (29, 4431595), (35, 3671893), (53, 2424835), (145, 886319), (203, 633085), (265, 484967), (371, 346405), (1015, 126617), (1537, 83615), (1855, 69281), (2389, 53795), (7685, 16723), (10759, 11945)]