39957806

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:800

約数の個数: 32

約数和(自身を含む): 70709760

約数和(自身を除く): 30751954

約数列:

[1, 2, 7, 14, 61, 71, 122, 142, 427, 497, 659, 854, 994, 1318, 4331, 4613, 8662, 9226, 30317, 40199, 46789, 60634, 80398, 93578, 281393, 327523, 562786, 655046, 2854129, 5708258, 19978903, 39957806]

約数ペア:

[(1, 39957806), (2, 19978903), (7, 5708258), (14, 2854129), (61, 655046), (71, 562786), (122, 327523), (142, 281393), (427, 93578), (497, 80398), (659, 60634), (854, 46789), (994, 40199), (1318, 30317), (4331, 9226), (4613, 8662)]