399359898

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23831}}^1$

素因数の和:23872

約数の個数: 72

約数和(自身を含む): 1059570720

約数和(自身を除く): 660210822

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 49, 57, 63, 98, 114, 126, 133, 147, 171, 266, 294, 342, 399, 441, 798, 882, 931, 1197, 1862, 2394, 2793, 5586, 8379, 16758, 23831, 47662, 71493, 142986, 166817, 214479, 333634, 428958, 452789, 500451, 905578, 1000902, 1167719, 1358367, 1501353, 2335438, 2716734, 3002706, 3169523, 3503157, 4075101, 6339046, 7006314, 8150202, 9508569, 10509471, 19017138, 21018942, 22186661, 28525707, 44373322, 57051414, 66559983, 133119966, 199679949, 399359898]

約数ペア:

[(1, 399359898), (2, 199679949), (3, 133119966), (6, 66559983), (7, 57051414), (9, 44373322), (14, 28525707), (18, 22186661), (19, 21018942), (21, 19017138), (38, 10509471), (42, 9508569), (49, 8150202), (57, 7006314), (63, 6339046), (98, 4075101), (114, 3503157), (126, 3169523), (133, 3002706), (147, 2716734), (171, 2335438), (266, 1501353), (294, 1358367), (342, 1167719), (399, 1000902), (441, 905578), (798, 500451), (882, 452789), (931, 428958), (1197, 333634), (1862, 214479), (2394, 166817), (2793, 142986), (5586, 71493), (8379, 47662), (16758, 23831)]