121729784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{19483}}^1$

素因数の和:19571

約数の個数: 32

約数和(自身を含む): 252512640

約数和(自身を除く): 130782856

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 6248, 19483, 38966, 77932, 155864, 214313, 428626, 857252, 1383293, 1714504, 2766586, 5533172, 11066344, 15216223, 30432446, 60864892, 121729784]

約数ペア:

[(1, 121729784), (2, 60864892), (4, 30432446), (8, 15216223), (11, 11066344), (22, 5533172), (44, 2766586), (71, 1714504), (88, 1383293), (142, 857252), (284, 428626), (568, 214313), (781, 155864), (1562, 77932), (3124, 38966), (6248, 19483)]