81438344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{2767}}^1$

素因数の和:3069

約数の個数: 32

約数和(自身を含む): 165083520

約数和(自身を除く): 83645176

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 283, 566, 1132, 2264, 2767, 3679, 5534, 7358, 11068, 14716, 22136, 29432, 35971, 71942, 143884, 287768, 783061, 1566122, 3132244, 6264488, 10179793, 20359586, 40719172, 81438344]

約数ペア:

[(1, 81438344), (2, 40719172), (4, 20359586), (8, 10179793), (13, 6264488), (26, 3132244), (52, 1566122), (104, 783061), (283, 287768), (566, 143884), (1132, 71942), (2264, 35971), (2767, 29432), (3679, 22136), (5534, 14716), (7358, 11068)]