217552816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{4957}}^1$

素因数の和:5189

約数の個数: 40

約数和(自身を含む): 456175664

約数和(自身を除く): 238622848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 211, 422, 844, 1688, 2743, 3376, 4957, 5486, 9914, 10972, 19828, 21944, 39656, 43888, 64441, 79312, 128882, 257764, 515528, 1031056, 1045927, 2091854, 4183708, 8367416, 13597051, 16734832, 27194102, 54388204, 108776408, 217552816]

約数ペア:

[(1, 217552816), (2, 108776408), (4, 54388204), (8, 27194102), (13, 16734832), (16, 13597051), (26, 8367416), (52, 4183708), (104, 2091854), (208, 1045927), (211, 1031056), (422, 515528), (844, 257764), (1688, 128882), (2743, 79312), (3376, 64441), (4957, 43888), (5486, 39656), (9914, 21944), (10972, 19828)]