278213728

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{1091}}^1$

素因数の和:1727

約数の個数: 48

約数和(自身を含む): 591370416

約数和(自身を除く): 313156688

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 613, 1091, 1226, 2182, 2452, 4364, 4904, 7969, 8728, 9808, 14183, 15938, 17456, 19616, 28366, 31876, 34912, 56732, 63752, 113464, 127504, 226928, 255008, 453856, 668783, 1337566, 2675132, 5350264, 8694179, 10700528, 17388358, 21401056, 34776716, 69553432, 139106864, 278213728]

約数ペア:

[(1, 278213728), (2, 139106864), (4, 69553432), (8, 34776716), (13, 21401056), (16, 17388358), (26, 10700528), (32, 8694179), (52, 5350264), (104, 2675132), (208, 1337566), (416, 668783), (613, 453856), (1091, 255008), (1226, 226928), (2182, 127504), (2452, 113464), (4364, 63752), (4904, 56732), (7969, 34912), (8728, 31876), (9808, 28366), (14183, 19616), (15938, 17456)]