278820022

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{2531}}^1$

素因数の和:2788

約数の個数: 32

約数和(自身を含む): 476421120

約数和(自身を除く): 197601098

約数列:

[1, 2, 13, 19, 26, 38, 223, 247, 446, 494, 2531, 2899, 4237, 5062, 5798, 8474, 32903, 48089, 55081, 65806, 96178, 110162, 564413, 625157, 1128826, 1250314, 7337369, 10723847, 14674738, 21447694, 139410011, 278820022]

約数ペア:

[(1, 278820022), (2, 139410011), (13, 21447694), (19, 14674738), (26, 10723847), (38, 7337369), (223, 1250314), (247, 1128826), (446, 625157), (494, 564413), (2531, 110162), (2899, 96178), (4237, 65806), (5062, 55081), (5798, 48089), (8474, 32903)]