620670862

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1\times {\mathrm{1019}}^1$

素因数の和:1480

約数の個数: 32

約数和(自身を含む): 1076140800

約数和(自身を除く): 455469938

約数列:

[1, 2, 7, 14, 139, 278, 313, 626, 973, 1019, 1946, 2038, 2191, 4382, 7133, 14266, 43507, 87014, 141641, 283282, 304549, 318947, 609098, 637894, 991487, 1982974, 2232629, 4465258, 44333633, 88667266, 310335431, 620670862]

約数ペア:

[(1, 620670862), (2, 310335431), (7, 88667266), (14, 44333633), (139, 4465258), (278, 2232629), (313, 1982974), (626, 991487), (973, 637894), (1019, 609098), (1946, 318947), (2038, 304549), (2191, 283282), (4382, 141641), (7133, 87014), (14266, 43507)]