2011990876

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{13163}}^1$

素因数の和:13330

約数の個数: 48

約数和(自身を含む): 4140025344

約数和(自身を除く): 2128034468

約数列:

[1, 2, 4, 7, 14, 28, 53, 103, 106, 206, 212, 371, 412, 721, 742, 1442, 1484, 2884, 5459, 10918, 13163, 21836, 26326, 38213, 52652, 76426, 92141, 152852, 184282, 368564, 697639, 1355789, 1395278, 2711578, 2790556, 4883473, 5423156, 9490523, 9766946, 18981046, 19533892, 37962092, 71856817, 143713634, 287427268, 502997719, 1005995438, 2011990876]

約数ペア:

[(1, 2011990876), (2, 1005995438), (4, 502997719), (7, 287427268), (14, 143713634), (28, 71856817), (53, 37962092), (103, 19533892), (106, 18981046), (206, 9766946), (212, 9490523), (371, 5423156), (412, 4883473), (721, 2790556), (742, 2711578), (1442, 1395278), (1484, 1355789), (2884, 697639), (5459, 368564), (10918, 184282), (13163, 152852), (21836, 92141), (26326, 76426), (38213, 52652)]