27890642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 48308400

約数和(自身を除く): 20417758

約数列:

[1, 2, 13, 17, 26, 34, 89, 178, 221, 442, 709, 1157, 1418, 1513, 2314, 3026, 9217, 12053, 18434, 19669, 24106, 39338, 63101, 126202, 156689, 313378, 820313, 1072717, 1640626, 2145434, 13945321, 27890642]

約数ペア:

[(1, 27890642), (2, 13945321), (13, 2145434), (17, 1640626), (26, 1072717), (34, 820313), (89, 313378), (178, 156689), (221, 126202), (442, 63101), (709, 39338), (1157, 24106), (1418, 19669), (1513, 18434), (2314, 12053), (3026, 9217)]