398969388

素因数分解:

$2^2\times 3^4\times {\mathrm{1231387}}^1$

素因数の和:1231403

約数の個数: 30

約数和(自身を含む): 1042985636

約数和(自身を除く): 644016248

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 1231387, 2462774, 3694161, 4925548, 7388322, 11082483, 14776644, 22164966, 33247449, 44329932, 66494898, 99742347, 132989796, 199484694, 398969388]

約数ペア:

[(1, 398969388), (2, 199484694), (3, 132989796), (4, 99742347), (6, 66494898), (9, 44329932), (12, 33247449), (18, 22164966), (27, 14776644), (36, 11082483), (54, 7388322), (81, 4925548), (108, 3694161), (162, 2462774), (324, 1231387)]