217654310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{6329}}^1$

素因数の和:6536

約数の個数: 32

約数和(自身を含む): 414741600

約数和(自身を除く): 197087290

約数列:

[1, 2, 5, 10, 19, 38, 95, 181, 190, 362, 905, 1810, 3439, 6329, 6878, 12658, 17195, 31645, 34390, 63290, 120251, 240502, 601255, 1145549, 1202510, 2291098, 5727745, 11455490, 21765431, 43530862, 108827155, 217654310]

約数ペア:

[(1, 217654310), (2, 108827155), (5, 43530862), (10, 21765431), (19, 11455490), (38, 5727745), (95, 2291098), (181, 1202510), (190, 1145549), (362, 601255), (905, 240502), (1810, 120251), (3439, 63290), (6329, 34390), (6878, 31645), (12658, 17195)]