221754928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{729457}}^1$

素因数の和:729484

約数の個数: 20

約数和(自身を含む): 452263960

約数和(自身を除く): 230509032

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 729457, 1458914, 2917828, 5835656, 11671312, 13859683, 27719366, 55438732, 110877464, 221754928]

約数ペア:

[(1, 221754928), (2, 110877464), (4, 55438732), (8, 27719366), (16, 13859683), (19, 11671312), (38, 5835656), (76, 2917828), (152, 1458914), (304, 729457)]