90399556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{32801}}^1$

素因数の和:32871

約数の個数: 24

約数和(自身を含む): 173588184

約数和(自身を除く): 83188628

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 32801, 65602, 131204, 426413, 852826, 1705652, 1738453, 3476906, 6953812, 22599889, 45199778, 90399556]

約数ペア:

[(1, 90399556), (2, 45199778), (4, 22599889), (13, 6953812), (26, 3476906), (52, 1738453), (53, 1705652), (106, 852826), (212, 426413), (689, 131204), (1378, 65602), (2756, 32801)]