261431488

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{214993}}^1$

素因数の和:215024

約数の個数: 28

約数和(自身を含む): 546084760

約数和(自身を除く): 284653272

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 214993, 429986, 859972, 1719944, 3439888, 4084867, 6879776, 8169734, 13759552, 16339468, 32678936, 65357872, 130715744, 261431488]

約数ペア:

[(1, 261431488), (2, 130715744), (4, 65357872), (8, 32678936), (16, 16339468), (19, 13759552), (32, 8169734), (38, 6879776), (64, 4084867), (76, 3439888), (152, 1719944), (304, 859972), (608, 429986), (1216, 214993)]