72511738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 120757392

約数和(自身を除く): 48245654

約数列:

[1, 2, 13, 26, 53, 101, 106, 202, 521, 689, 1042, 1313, 1378, 2626, 5353, 6773, 10706, 13546, 27613, 52621, 55226, 69589, 105242, 139178, 358969, 684073, 717938, 1368146, 2788913, 5577826, 36255869, 72511738]

約数ペア:

[(1, 72511738), (2, 36255869), (13, 5577826), (26, 2788913), (53, 1368146), (101, 717938), (106, 684073), (202, 358969), (521, 139178), (689, 105242), (1042, 69589), (1313, 55226), (1378, 52621), (2626, 27613), (5353, 13546), (6773, 10706)]