251287616

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{206651}}^1$

素因数の和:206682

約数の個数: 28

約数和(自身を含む): 524896080

約数和(自身を除く): 273608464

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 206651, 413302, 826604, 1653208, 3306416, 3926369, 6612832, 7852738, 13225664, 15705476, 31410952, 62821904, 125643808, 251287616]

約数ペア:

[(1, 251287616), (2, 125643808), (4, 62821904), (8, 31410952), (16, 15705476), (19, 13225664), (32, 7852738), (38, 6612832), (64, 3926369), (76, 3306416), (152, 1653208), (304, 826604), (608, 413302), (1216, 206651)]