163649776

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{10321}}^1$

素因数の和:11320

約数の個数: 20

約数和(自身を含む): 317422144

約数和(自身を除く): 153772368

約数列:

[1, 2, 4, 8, 16, 991, 1982, 3964, 7928, 10321, 15856, 20642, 41284, 82568, 165136, 10228111, 20456222, 40912444, 81824888, 163649776]

約数ペア:

[(1, 163649776), (2, 81824888), (4, 40912444), (8, 20456222), (16, 10228111), (991, 165136), (1982, 82568), (3964, 41284), (7928, 20642), (10321, 15856)]