211543670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{30703}}^1$

素因数の和:30776

約数の個数: 32

約数和(自身を含む): 417820032

約数和(自身を除く): 206276362

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 30703, 61406, 153515, 307030, 399139, 798278, 1627259, 1995695, 3254518, 3991390, 8136295, 16272590, 21154367, 42308734, 105771835, 211543670]

約数ペア:

[(1, 211543670), (2, 105771835), (5, 42308734), (10, 21154367), (13, 16272590), (26, 8136295), (53, 3991390), (65, 3254518), (106, 1995695), (130, 1627259), (265, 798278), (530, 399139), (689, 307030), (1378, 153515), (3445, 61406), (6890, 30703)]