1388406424

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{1721}}^1\times {\mathrm{3253}}^1$

素因数の和:5011

約数の個数: 32

約数和(自身を含む): 2689626240

約数和(自身を除く): 1301219816

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 1721, 3253, 3442, 6506, 6884, 13012, 13768, 26024, 53351, 100843, 106702, 201686, 213404, 403372, 426808, 806744, 5598413, 11196826, 22393652, 44787304, 173550803, 347101606, 694203212, 1388406424]

約数ペア:

[(1, 1388406424), (2, 694203212), (4, 347101606), (8, 173550803), (31, 44787304), (62, 22393652), (124, 11196826), (248, 5598413), (1721, 806744), (3253, 426808), (3442, 403372), (6506, 213404), (6884, 201686), (13012, 106702), (13768, 100843), (26024, 53351)]