199894555

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{347}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 279290880

約数和(自身を除く): 79396325

約数列:

[1, 5, 7, 35, 109, 151, 347, 545, 755, 763, 1057, 1735, 2429, 3815, 5285, 12145, 16459, 37823, 52397, 82295, 115213, 189115, 261985, 264761, 366779, 576065, 1323805, 1833895, 5711273, 28556365, 39978911, 199894555]

約数ペア:

[(1, 199894555), (5, 39978911), (7, 28556365), (35, 5711273), (109, 1833895), (151, 1323805), (347, 576065), (545, 366779), (755, 264761), (763, 261985), (1057, 189115), (1735, 115213), (2429, 82295), (3815, 52397), (5285, 37823), (12145, 16459)]