251016688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{2749}}^1$

素因数の和:3209

約数の個数: 40

約数和(自身を含む): 525140000

約数和(自身を除く): 274123312

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 439, 878, 1756, 2749, 3512, 5498, 5707, 7024, 10996, 11414, 21992, 22828, 35737, 43984, 45656, 71474, 91312, 142948, 285896, 571792, 1206811, 2413622, 4827244, 9654488, 15688543, 19308976, 31377086, 62754172, 125508344, 251016688]

約数ペア:

[(1, 251016688), (2, 125508344), (4, 62754172), (8, 31377086), (13, 19308976), (16, 15688543), (26, 9654488), (52, 4827244), (104, 2413622), (208, 1206811), (439, 571792), (878, 285896), (1756, 142948), (2749, 91312), (3512, 71474), (5498, 45656), (5707, 43984), (7024, 35737), (10996, 22828), (11414, 21992)]