399351672

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{178921}}^1$

素因数の和:178964

約数の個数: 48

約数和(自身を含む): 1116473280

約数和(自身を除く): 717121608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 178921, 357842, 536763, 715684, 1073526, 1431368, 1610289, 2147052, 3220578, 4294104, 5546551, 6441156, 11093102, 12882312, 16639653, 22186204, 33279306, 44372408, 49918959, 66558612, 99837918, 133117224, 199675836, 399351672]

約数ペア:

[(1, 399351672), (2, 199675836), (3, 133117224), (4, 99837918), (6, 66558612), (8, 49918959), (9, 44372408), (12, 33279306), (18, 22186204), (24, 16639653), (31, 12882312), (36, 11093102), (62, 6441156), (72, 5546551), (93, 4294104), (124, 3220578), (186, 2147052), (248, 1610289), (279, 1431368), (372, 1073526), (558, 715684), (744, 536763), (1116, 357842), (2232, 178921)]