31318384

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1451}}^1$

素因数の和:1549

約数の個数: 40

約数和(自身を含む): 64817280

約数和(自身を除く): 33498896

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 1136, 1349, 1451, 2698, 2902, 5396, 5804, 10792, 11608, 21584, 23216, 27569, 55138, 103021, 110276, 206042, 220552, 412084, 441104, 824168, 1648336, 1957399, 3914798, 7829596, 15659192, 31318384]

約数ペア:

[(1, 31318384), (2, 15659192), (4, 7829596), (8, 3914798), (16, 1957399), (19, 1648336), (38, 824168), (71, 441104), (76, 412084), (142, 220552), (152, 206042), (284, 110276), (304, 103021), (568, 55138), (1136, 27569), (1349, 23216), (1451, 21584), (2698, 11608), (2902, 10792), (5396, 5804)]