207966005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 274428000

約数和(自身を除く): 66461995

約数列:

[1, 5, 13, 65, 109, 149, 197, 545, 745, 985, 1417, 1937, 2561, 7085, 9685, 12805, 16241, 21473, 29353, 81205, 107365, 146765, 211133, 279149, 381589, 1055665, 1395745, 1907945, 3199477, 15997385, 41593201, 207966005]

約数ペア:

[(1, 207966005), (5, 41593201), (13, 15997385), (65, 3199477), (109, 1907945), (149, 1395745), (197, 1055665), (545, 381589), (745, 279149), (985, 211133), (1417, 146765), (1937, 107365), (2561, 81205), (7085, 29353), (9685, 21473), (12805, 16241)]