728483998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{1409}}^1$

素因数の和:1824

約数の個数: 32

約数和(自身を含む): 1213367040

約数和(自身を除く): 484883042

約数列:

[1, 2, 11, 22, 71, 142, 331, 662, 781, 1409, 1562, 2818, 3641, 7282, 15499, 23501, 30998, 47002, 100039, 200078, 258511, 466379, 517022, 932758, 1100429, 2200858, 5130169, 10260338, 33112909, 66225818, 364241999, 728483998]

約数ペア:

[(1, 728483998), (2, 364241999), (11, 66225818), (22, 33112909), (71, 10260338), (142, 5130169), (331, 2200858), (662, 1100429), (781, 932758), (1409, 517022), (1562, 466379), (2818, 258511), (3641, 200078), (7282, 100039), (15499, 47002), (23501, 30998)]