81509136

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{23917}}^1$

素因数の和:23999

約数の個数: 40

約数和(自身を含む): 213539904

約数和(自身を除く): 132030768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 284, 426, 568, 852, 1136, 1704, 3408, 23917, 47834, 71751, 95668, 143502, 191336, 287004, 382672, 574008, 1148016, 1698107, 3396214, 5094321, 6792428, 10188642, 13584856, 20377284, 27169712, 40754568, 81509136]

約数ペア:

[(1, 81509136), (2, 40754568), (3, 27169712), (4, 20377284), (6, 13584856), (8, 10188642), (12, 6792428), (16, 5094321), (24, 3396214), (48, 1698107), (71, 1148016), (142, 574008), (213, 382672), (284, 287004), (426, 191336), (568, 143502), (852, 95668), (1136, 71751), (1704, 47834), (3408, 23917)]