820121432

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{76561}}^1$

素因数の和:76683

約数の個数: 32

約数和(自身を含む): 1672114080

約数和(自身を除く): 851992648

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 824, 1339, 2678, 5356, 10712, 76561, 153122, 306244, 612488, 995293, 1990586, 3981172, 7885783, 7962344, 15771566, 31543132, 63086264, 102515179, 205030358, 410060716, 820121432]

約数ペア:

[(1, 820121432), (2, 410060716), (4, 205030358), (8, 102515179), (13, 63086264), (26, 31543132), (52, 15771566), (103, 7962344), (104, 7885783), (206, 3981172), (412, 1990586), (824, 995293), (1339, 612488), (2678, 306244), (5356, 153122), (10712, 76561)]