172389904

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{176629}}^1$

素因数の和:176698

約数の個数: 20

約数和(自身を含む): 339482860

約数和(自身を除く): 167092956

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 176629, 353258, 706516, 1413032, 2826064, 10774369, 21548738, 43097476, 86194952, 172389904]

約数ペア:

[(1, 172389904), (2, 86194952), (4, 43097476), (8, 21548738), (16, 10774369), (61, 2826064), (122, 1413032), (244, 706516), (488, 353258), (976, 176629)]