209556888

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{809}}^1$

素因数の和:1112

約数の個数: 64

約数和(自身を含む): 538876800

約数和(自身を除く): 329319912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 251, 258, 344, 502, 516, 753, 809, 1004, 1032, 1506, 1618, 2008, 2427, 3012, 3236, 4854, 6024, 6472, 9708, 10793, 19416, 21586, 32379, 34787, 43172, 64758, 69574, 86344, 104361, 129516, 139148, 203059, 208722, 259032, 278296, 406118, 417444, 609177, 812236, 834888, 1218354, 1624472, 2436708, 4873416, 8731537, 17463074, 26194611, 34926148, 52389222, 69852296, 104778444, 209556888]

約数ペア:

[(1, 209556888), (2, 104778444), (3, 69852296), (4, 52389222), (6, 34926148), (8, 26194611), (12, 17463074), (24, 8731537), (43, 4873416), (86, 2436708), (129, 1624472), (172, 1218354), (251, 834888), (258, 812236), (344, 609177), (502, 417444), (516, 406118), (753, 278296), (809, 259032), (1004, 208722), (1032, 203059), (1506, 139148), (1618, 129516), (2008, 104361), (2427, 86344), (3012, 69574), (3236, 64758), (4854, 43172), (6024, 34787), (6472, 32379), (9708, 21586), (10793, 19416)]