260078745

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{6661}}^1$

素因数の和:6825

約数の個数: 32

約数和(自身を含む): 441290880

約数和(自身を除く): 181212135

約数列:

[1, 3, 5, 15, 19, 57, 95, 137, 285, 411, 685, 2055, 2603, 6661, 7809, 13015, 19983, 33305, 39045, 99915, 126559, 379677, 632795, 912557, 1898385, 2737671, 4562785, 13688355, 17338583, 52015749, 86692915, 260078745]

約数ペア:

[(1, 260078745), (3, 86692915), (5, 52015749), (15, 17338583), (19, 13688355), (57, 4562785), (95, 2737671), (137, 1898385), (285, 912557), (411, 632795), (685, 379677), (2055, 126559), (2603, 99915), (6661, 39045), (7809, 33305), (13015, 19983)]