219635728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{6323}}^1$

素因数の和:6511

約数の個数: 40

約数和(自身を含む): 461095488

約数和(自身を除く): 241459760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 167, 208, 334, 668, 1336, 2171, 2672, 4342, 6323, 8684, 12646, 17368, 25292, 34736, 50584, 82199, 101168, 164398, 328796, 657592, 1055941, 1315184, 2111882, 4223764, 8447528, 13727233, 16895056, 27454466, 54908932, 109817864, 219635728]

約数ペア:

[(1, 219635728), (2, 109817864), (4, 54908932), (8, 27454466), (13, 16895056), (16, 13727233), (26, 8447528), (52, 4223764), (104, 2111882), (167, 1315184), (208, 1055941), (334, 657592), (668, 328796), (1336, 164398), (2171, 101168), (2672, 82199), (4342, 50584), (6323, 34736), (8684, 25292), (12646, 17368)]