1681565996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{419}}^1\times {\mathrm{463}}^1$

素因数の和:1094

約数の個数: 48

約数和(自身を含む): 3241244160

約数和(自身を除く): 1559678164

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 419, 463, 788, 838, 926, 1676, 1852, 2167, 4334, 4609, 5093, 8668, 9218, 10186, 18436, 20372, 82543, 91211, 165086, 182422, 193997, 330172, 364844, 387994, 775988, 907973, 1003321, 1815946, 2006642, 2133967, 3631892, 4013284, 4267934, 8535868, 38217409, 76434818, 152869636, 420391499, 840782998, 1681565996]

約数ペア:

[(1, 1681565996), (2, 840782998), (4, 420391499), (11, 152869636), (22, 76434818), (44, 38217409), (197, 8535868), (394, 4267934), (419, 4013284), (463, 3631892), (788, 2133967), (838, 2006642), (926, 1815946), (1676, 1003321), (1852, 907973), (2167, 775988), (4334, 387994), (4609, 364844), (5093, 330172), (8668, 193997), (9218, 182422), (10186, 165086), (18436, 91211), (20372, 82543)]