388914904

素因数分解:

$2^3\times 7^1\times {\mathrm{97}}^1\times {\mathrm{71597}}^1$

素因数の和:71707

約数の個数: 32

約数和(自身を含む): 841992480

約数和(自身を除く): 453077576

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 97, 194, 388, 679, 776, 1358, 2716, 5432, 71597, 143194, 286388, 501179, 572776, 1002358, 2004716, 4009432, 6944909, 13889818, 27779636, 48614363, 55559272, 97228726, 194457452, 388914904]

約数ペア:

[(1, 388914904), (2, 194457452), (4, 97228726), (7, 55559272), (8, 48614363), (14, 27779636), (28, 13889818), (56, 6944909), (97, 4009432), (194, 2004716), (388, 1002358), (679, 572776), (776, 501179), (1358, 286388), (2716, 143194), (5432, 71597)]