28066970

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 51789888

約数和(自身を除く): 23722918

約数列:

[1, 2, 5, 10, 67, 134, 163, 257, 326, 335, 514, 670, 815, 1285, 1630, 2570, 10921, 17219, 21842, 34438, 41891, 54605, 83782, 86095, 109210, 172190, 209455, 418910, 2806697, 5613394, 14033485, 28066970]

約数ペア:

[(1, 28066970), (2, 14033485), (5, 5613394), (10, 2806697), (67, 418910), (134, 209455), (163, 172190), (257, 109210), (326, 86095), (335, 83782), (514, 54605), (670, 41891), (815, 34438), (1285, 21842), (1630, 17219), (2570, 10921)]