221567164

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{608701}}^1$

素因数の和:608725

約数の個数: 24

約数和(自身を含む): 477222368

約数和(自身を除く): 255655204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 608701, 1217402, 2434804, 4260907, 7913113, 8521814, 15826226, 17043628, 31652452, 55391791, 110783582, 221567164]

約数ペア:

[(1, 221567164), (2, 110783582), (4, 55391791), (7, 31652452), (13, 17043628), (14, 15826226), (26, 8521814), (28, 7913113), (52, 4260907), (91, 2434804), (182, 1217402), (364, 608701)]