138973924

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{19979}}^1$

素因数の和:20067

約数の個数: 24

約数和(自身を含む): 255104640

約数和(自身を除く): 116130716

約数列:

[1, 2, 4, 37, 47, 74, 94, 148, 188, 1739, 3478, 6956, 19979, 39958, 79916, 739223, 939013, 1478446, 1878026, 2956892, 3756052, 34743481, 69486962, 138973924]

約数ペア:

[(1, 138973924), (2, 69486962), (4, 34743481), (37, 3756052), (47, 2956892), (74, 1878026), (94, 1478446), (148, 939013), (188, 739223), (1739, 79916), (3478, 39958), (6956, 19979)]