2726490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6991}}^1$

素因数の和:7014

約数の個数: 32

約数和(自身を含む): 7047936

約数和(自身を除く): 4321446

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 6991, 13982, 20973, 34955, 41946, 69910, 90883, 104865, 181766, 209730, 272649, 454415, 545298, 908830, 1363245, 2726490]

約数ペア:

[(1, 2726490), (2, 1363245), (3, 908830), (5, 545298), (6, 454415), (10, 272649), (13, 209730), (15, 181766), (26, 104865), (30, 90883), (39, 69910), (65, 41946), (78, 34955), (130, 20973), (195, 13982), (390, 6991)]