388347768

素因数分解:

$2^3\times 3^2\times {\mathrm{269}}^1\times {\mathrm{20051}}^1$

素因数の和:20332

約数の個数: 48

約数和(自身を含む): 1055737800

約数和(自身を除く): 667390032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 269, 538, 807, 1076, 1614, 2152, 2421, 3228, 4842, 6456, 9684, 19368, 20051, 40102, 60153, 80204, 120306, 160408, 180459, 240612, 360918, 481224, 721836, 1443672, 5393719, 10787438, 16181157, 21574876, 32362314, 43149752, 48543471, 64724628, 97086942, 129449256, 194173884, 388347768]

約数ペア:

[(1, 388347768), (2, 194173884), (3, 129449256), (4, 97086942), (6, 64724628), (8, 48543471), (9, 43149752), (12, 32362314), (18, 21574876), (24, 16181157), (36, 10787438), (72, 5393719), (269, 1443672), (538, 721836), (807, 481224), (1076, 360918), (1614, 240612), (2152, 180459), (2421, 160408), (3228, 120306), (4842, 80204), (6456, 60153), (9684, 40102), (19368, 20051)]