81372304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5839}}^1$

素因数の和:5927

約数の個数: 40

約数和(自身を含む): 172350080

約数和(自身を除く): 90977776

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 5839, 6968, 11678, 13936, 23356, 46712, 75907, 93424, 151814, 303628, 391213, 607256, 782426, 1214512, 1564852, 3129704, 5085769, 6259408, 10171538, 20343076, 40686152, 81372304]

約数ペア:

[(1, 81372304), (2, 40686152), (4, 20343076), (8, 10171538), (13, 6259408), (16, 5085769), (26, 3129704), (52, 1564852), (67, 1214512), (104, 782426), (134, 607256), (208, 391213), (268, 303628), (536, 151814), (871, 93424), (1072, 75907), (1742, 46712), (3484, 23356), (5839, 13936), (6968, 11678)]