64407220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{189433}}^1$

素因数の和:189459

約数の個数: 24

約数和(自身を含む): 143212104

約数和(自身を除く): 78804884

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 189433, 378866, 757732, 947165, 1894330, 3220361, 3788660, 6440722, 12881444, 16101805, 32203610, 64407220]

約数ペア:

[(1, 64407220), (2, 32203610), (4, 16101805), (5, 12881444), (10, 6440722), (17, 3788660), (20, 3220361), (34, 1894330), (68, 947165), (85, 757732), (170, 378866), (340, 189433)]