320424498

素因数分解:

$2^1\times 3^4\times {\mathrm{1977929}}^1$

素因数の和:1977943

約数の個数: 20

約数和(自身を含む): 717988590

約数和(自身を除く): 397564092

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1977929, 3955858, 5933787, 11867574, 17801361, 35602722, 53404083, 106808166, 160212249, 320424498]

約数ペア:

[(1, 320424498), (2, 160212249), (3, 106808166), (6, 53404083), (9, 35602722), (18, 17801361), (27, 11867574), (54, 5933787), (81, 3955858), (162, 1977929)]