123784705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{919}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 169574400

約数和(自身を除く): 45789695

約数列:

[1, 5, 11, 31, 55, 79, 155, 341, 395, 869, 919, 1705, 2449, 4345, 4595, 10109, 12245, 26939, 28489, 50545, 72601, 134695, 142445, 313379, 363005, 798611, 1566895, 2250631, 3993055, 11253155, 24756941, 123784705]

約数ペア:

[(1, 123784705), (5, 24756941), (11, 11253155), (31, 3993055), (55, 2250631), (79, 1566895), (155, 798611), (341, 363005), (395, 313379), (869, 142445), (919, 134695), (1705, 72601), (2449, 50545), (4345, 28489), (4595, 26939), (10109, 12245)]