81929744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5879}}^1$

素因数の和:5967

約数の個数: 40

約数和(自身を含む): 173530560

約数和(自身を除く): 91600816

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 5879, 6968, 11758, 13936, 23516, 47032, 76427, 94064, 152854, 305708, 393893, 611416, 787786, 1222832, 1575572, 3151144, 5120609, 6302288, 10241218, 20482436, 40964872, 81929744]

約数ペア:

[(1, 81929744), (2, 40964872), (4, 20482436), (8, 10241218), (13, 6302288), (16, 5120609), (26, 3151144), (52, 1575572), (67, 1222832), (104, 787786), (134, 611416), (208, 393893), (268, 305708), (536, 152854), (871, 94064), (1072, 76427), (1742, 47032), (3484, 23516), (5879, 13936), (6968, 11758)]