66442064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{319433}}^1$

素因数の和:319454

約数の個数: 20

約数和(自身を含む): 138634356

約数和(自身を除く): 72192292

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 319433, 638866, 1277732, 2555464, 4152629, 5110928, 8305258, 16610516, 33221032, 66442064]

約数ペア:

[(1, 66442064), (2, 33221032), (4, 16610516), (8, 8305258), (13, 5110928), (16, 4152629), (26, 2555464), (52, 1277732), (104, 638866), (208, 319433)]