204077321

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 254707200

約数和(自身を除く): 50629879

約数列:

[1, 7, 23, 29, 109, 161, 203, 401, 667, 763, 2507, 2807, 3161, 4669, 9223, 11629, 17549, 22127, 43709, 64561, 72703, 81403, 267467, 305963, 508921, 1005307, 1267561, 1872269, 7037149, 8872927, 29153903, 204077321]

約数ペア:

[(1, 204077321), (7, 29153903), (23, 8872927), (29, 7037149), (109, 1872269), (161, 1267561), (203, 1005307), (401, 508921), (667, 305963), (763, 267467), (2507, 81403), (2807, 72703), (3161, 64561), (4669, 43709), (9223, 22127), (11629, 17549)]