81903952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3823}}^1$

素因数の和:3947

約数の個数: 40

約数和(自身を含む): 172600064

約数和(自身を除く): 90696112

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 206, 208, 412, 824, 1339, 1648, 2678, 3823, 5356, 7646, 10712, 15292, 21424, 30584, 49699, 61168, 99398, 198796, 393769, 397592, 787538, 795184, 1575076, 3150152, 5118997, 6300304, 10237994, 20475988, 40951976, 81903952]

約数ペア:

[(1, 81903952), (2, 40951976), (4, 20475988), (8, 10237994), (13, 6300304), (16, 5118997), (26, 3150152), (52, 1575076), (103, 795184), (104, 787538), (206, 397592), (208, 393769), (412, 198796), (824, 99398), (1339, 61168), (1648, 49699), (2678, 30584), (3823, 21424), (5356, 15292), (7646, 10712)]