278311384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{4241}}^1$

素因数の和:4891

約数の個数: 32

約数和(自身を含む): 562998240

約数和(自身を除く): 284686856

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 631, 1262, 2524, 4241, 5048, 8203, 8482, 16406, 16964, 32812, 33928, 55133, 65624, 110266, 220532, 441064, 2676071, 5352142, 10704284, 21408568, 34788923, 69577846, 139155692, 278311384]

約数ペア:

[(1, 278311384), (2, 139155692), (4, 69577846), (8, 34788923), (13, 21408568), (26, 10704284), (52, 5352142), (104, 2676071), (631, 441064), (1262, 220532), (2524, 110266), (4241, 65624), (5048, 55133), (8203, 33928), (8482, 32812), (16406, 16964)]