128439892

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{541}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 263455360

約数和(自身を除く): 135015468

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 139, 244, 278, 427, 541, 556, 854, 973, 1082, 1708, 1946, 2164, 3787, 3892, 7574, 8479, 15148, 16958, 33001, 33916, 59353, 66002, 75199, 118706, 132004, 150398, 231007, 237412, 300796, 462014, 526393, 924028, 1052786, 2105572, 4587139, 9174278, 18348556, 32109973, 64219946, 128439892]

約数ペア:

[(1, 128439892), (2, 64219946), (4, 32109973), (7, 18348556), (14, 9174278), (28, 4587139), (61, 2105572), (122, 1052786), (139, 924028), (244, 526393), (278, 462014), (427, 300796), (541, 237412), (556, 231007), (854, 150398), (973, 132004), (1082, 118706), (1708, 75199), (1946, 66002), (2164, 59353), (3787, 33916), (3892, 33001), (7574, 16958), (8479, 15148)]