728936

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 1515360

約数和(自身を除く): 786424

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 163, 172, 326, 344, 559, 652, 1118, 1304, 2119, 2236, 4238, 4472, 7009, 8476, 14018, 16952, 28036, 56072, 91117, 182234, 364468, 728936]

約数ペア:

[(1, 728936), (2, 364468), (4, 182234), (8, 91117), (13, 56072), (26, 28036), (43, 16952), (52, 14018), (86, 8476), (104, 7009), (163, 4472), (172, 4238), (326, 2236), (344, 2119), (559, 1304), (652, 1118)]