221666928

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{659723}}^1$

素因数の和:659741

約数の個数: 40

約数和(自身を含む): 654446208

約数和(自身を除く): 432779280

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 659723, 1319446, 1979169, 2638892, 3958338, 4618061, 5277784, 7916676, 9236122, 10555568, 13854183, 15833352, 18472244, 27708366, 31666704, 36944488, 55416732, 73888976, 110833464, 221666928]

約数ペア:

[(1, 221666928), (2, 110833464), (3, 73888976), (4, 55416732), (6, 36944488), (7, 31666704), (8, 27708366), (12, 18472244), (14, 15833352), (16, 13854183), (21, 10555568), (24, 9236122), (28, 7916676), (42, 5277784), (48, 4618061), (56, 3958338), (84, 2638892), (112, 1979169), (168, 1319446), (336, 659723)]