781295930

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{9349}}^1$

素因数の和:9554

約数の個数: 32

約数和(自身を含む): 1439974800

約数和(自身を除く): 658678870

約数列:

[1, 2, 5, 10, 61, 122, 137, 274, 305, 610, 685, 1370, 8357, 9349, 16714, 18698, 41785, 46745, 83570, 93490, 570289, 1140578, 1280813, 2561626, 2851445, 5702890, 6404065, 12808130, 78129593, 156259186, 390647965, 781295930]

約数ペア:

[(1, 781295930), (2, 390647965), (5, 156259186), (10, 78129593), (61, 12808130), (122, 6404065), (137, 5702890), (274, 2851445), (305, 2561626), (610, 1280813), (685, 1140578), (1370, 570289), (8357, 93490), (9349, 83570), (16714, 46745), (18698, 41785)]