51280355

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{313}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 73310208

約数和(自身を除く): 22029853

約数列:

[1, 5, 7, 31, 35, 151, 155, 217, 313, 755, 1057, 1085, 1565, 2191, 4681, 5285, 9703, 10955, 23405, 32767, 47263, 48515, 67921, 163835, 236315, 330841, 339605, 1465153, 1654205, 7325765, 10256071, 51280355]

約数ペア:

[(1, 51280355), (5, 10256071), (7, 7325765), (31, 1654205), (35, 1465153), (151, 339605), (155, 330841), (217, 236315), (313, 163835), (755, 67921), (1057, 48515), (1085, 47263), (1565, 32767), (2191, 23405), (4681, 10955), (5285, 9703)]