781497996

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{20747}}^1$

素因数の和:20870

約数の個数: 48

約数和(自身を含む): 1891553664

約数和(自身を除く): 1110055668

約数列:

[1, 2, 3, 4, 6, 12, 43, 73, 86, 129, 146, 172, 219, 258, 292, 438, 516, 876, 3139, 6278, 9417, 12556, 18834, 20747, 37668, 41494, 62241, 82988, 124482, 248964, 892121, 1514531, 1784242, 2676363, 3029062, 3568484, 4543593, 5352726, 6058124, 9087186, 10705452, 18174372, 65124833, 130249666, 195374499, 260499332, 390748998, 781497996]

約数ペア:

[(1, 781497996), (2, 390748998), (3, 260499332), (4, 195374499), (6, 130249666), (12, 65124833), (43, 18174372), (73, 10705452), (86, 9087186), (129, 6058124), (146, 5352726), (172, 4543593), (219, 3568484), (258, 3029062), (292, 2676363), (438, 1784242), (516, 1514531), (876, 892121), (3139, 248964), (6278, 124482), (9417, 82988), (12556, 62241), (18834, 41494), (20747, 37668)]