420331384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{32057}}^1$

素因数の和:32223

約数の個数: 32

約数和(自身を含む): 865566000

約数和(自身を除く): 445234616

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 149, 298, 596, 1192, 1639, 3278, 6556, 13112, 32057, 64114, 128228, 256456, 352627, 705254, 1410508, 2821016, 4776493, 9552986, 19105972, 38211944, 52541423, 105082846, 210165692, 420331384]

約数ペア:

[(1, 420331384), (2, 210165692), (4, 105082846), (8, 52541423), (11, 38211944), (22, 19105972), (44, 9552986), (88, 4776493), (149, 2821016), (298, 1410508), (596, 705254), (1192, 352627), (1639, 256456), (3278, 128228), (6556, 64114), (13112, 32057)]