64805624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20101}}^1$

素因数の和:20151

約数の個数: 32

約数和(自身を含む): 135085440

約数和(自身を除く): 70279816

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 20101, 40202, 80404, 160808, 261313, 522626, 623131, 1045252, 1246262, 2090504, 2492524, 4985048, 8100703, 16201406, 32402812, 64805624]

約数ペア:

[(1, 64805624), (2, 32402812), (4, 16201406), (8, 8100703), (13, 4985048), (26, 2492524), (31, 2090504), (52, 1246262), (62, 1045252), (104, 623131), (124, 522626), (248, 261313), (403, 160808), (806, 80404), (1612, 40202), (3224, 20101)]