201638668

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{654671}}^1$

素因数の和:654693

約数の個数: 24

約数和(自身を含む): 439939584

約数和(自身を除く): 238300916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 654671, 1309342, 2618684, 4582697, 7201381, 9165394, 14402762, 18330788, 28805524, 50409667, 100819334, 201638668]

約数ペア:

[(1, 201638668), (2, 100819334), (4, 50409667), (7, 28805524), (11, 18330788), (14, 14402762), (22, 9165394), (28, 7201381), (44, 4582697), (77, 2618684), (154, 1309342), (308, 654671)]