25877908

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 53468800

約数和(自身を除く): 27590892

約数列:

[1, 2, 4, 7, 14, 28, 61, 109, 122, 139, 218, 244, 278, 427, 436, 556, 763, 854, 973, 1526, 1708, 1946, 3052, 3892, 6649, 8479, 13298, 15151, 16958, 26596, 30302, 33916, 46543, 59353, 60604, 93086, 106057, 118706, 186172, 212114, 237412, 424228, 924211, 1848422, 3696844, 6469477, 12938954, 25877908]

約数ペア:

[(1, 25877908), (2, 12938954), (4, 6469477), (7, 3696844), (14, 1848422), (28, 924211), (61, 424228), (109, 237412), (122, 212114), (139, 186172), (218, 118706), (244, 106057), (278, 93086), (427, 60604), (436, 59353), (556, 46543), (763, 33916), (854, 30302), (973, 26596), (1526, 16958), (1708, 15151), (1946, 13298), (3052, 8479), (3892, 6649)]