489326978

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{9323}}^1$

素因数の和:9518

約数の個数: 32

約数和(自身を含む): 880782336

約数和(自身を除く): 391455358

約数列:

[1, 2, 7, 14, 23, 46, 161, 163, 322, 326, 1141, 2282, 3749, 7498, 9323, 18646, 26243, 52486, 65261, 130522, 214429, 428858, 1501003, 1519649, 3002006, 3039298, 10637543, 21275086, 34951927, 69903854, 244663489, 489326978]

約数ペア:

[(1, 489326978), (2, 244663489), (7, 69903854), (14, 34951927), (23, 21275086), (46, 10637543), (161, 3039298), (163, 3002006), (322, 1519649), (326, 1501003), (1141, 428858), (2282, 214429), (3749, 130522), (7498, 65261), (9323, 52486), (18646, 26243)]