27687356

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:638

約数の個数: 36

約数和(自身を含む): 52762248

約数和(自身を除く): 25074892

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 289, 557, 578, 731, 1114, 1156, 1462, 2228, 2924, 9469, 12427, 18938, 23951, 24854, 37876, 47902, 49708, 95804, 160973, 321946, 407167, 643892, 814334, 1628668, 6921839, 13843678, 27687356]

約数ペア:

[(1, 27687356), (2, 13843678), (4, 6921839), (17, 1628668), (34, 814334), (43, 643892), (68, 407167), (86, 321946), (172, 160973), (289, 95804), (557, 49708), (578, 47902), (731, 37876), (1114, 24854), (1156, 23951), (1462, 18938), (2228, 12427), (2924, 9469)]