27640964

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1319}}^1$

素因数の和:1380

約数の個数: 36

約数和(自身を含む): 54109440

約数和(自身を除く): 26468476

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 676, 806, 1319, 1612, 2638, 5239, 5276, 10478, 17147, 20956, 34294, 40889, 68588, 81778, 163556, 222911, 445822, 531557, 891644, 1063114, 2126228, 6910241, 13820482, 27640964]

約数ペア:

[(1, 27640964), (2, 13820482), (4, 6910241), (13, 2126228), (26, 1063114), (31, 891644), (52, 531557), (62, 445822), (124, 222911), (169, 163556), (338, 81778), (403, 68588), (676, 40889), (806, 34294), (1319, 20956), (1612, 17147), (2638, 10478), (5239, 5276)]