140589743

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 172032000

約数和(自身を除く): 31442257

約数列:

[1, 7, 31, 59, 79, 139, 217, 413, 553, 973, 1829, 2449, 4309, 4661, 8201, 10981, 12803, 17143, 30163, 32627, 57407, 76867, 144491, 254231, 340411, 647879, 1011437, 1779617, 2382877, 4535153, 20084249, 140589743]

約数ペア:

[(1, 140589743), (7, 20084249), (31, 4535153), (59, 2382877), (79, 1779617), (139, 1011437), (217, 647879), (413, 340411), (553, 254231), (973, 144491), (1829, 76867), (2449, 57407), (4309, 32627), (4661, 30163), (8201, 17143), (10981, 12803)]