489443370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1254983}}^1$

素因数の和:1255006

約数の個数: 32

約数和(自身を含む): 1265023872

約数和(自身を除く): 775580502

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1254983, 2509966, 3764949, 6274915, 7529898, 12549830, 16314779, 18824745, 32629558, 37649490, 48944337, 81573895, 97888674, 163147790, 244721685, 489443370]

約数ペア:

[(1, 489443370), (2, 244721685), (3, 163147790), (5, 97888674), (6, 81573895), (10, 48944337), (13, 37649490), (15, 32629558), (26, 18824745), (30, 16314779), (39, 12549830), (65, 7529898), (78, 6274915), (130, 3764949), (195, 2509966), (390, 1254983)]