161706872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{28753}}^1$

素因数の和:28815

約数の個数: 32

約数和(自身を含む): 327795600

約数和(自身を除く): 166088728

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 5624, 28753, 57506, 115012, 230024, 546307, 1063861, 1092614, 2127722, 2185228, 4255444, 4370456, 8510888, 20213359, 40426718, 80853436, 161706872]

約数ペア:

[(1, 161706872), (2, 80853436), (4, 40426718), (8, 20213359), (19, 8510888), (37, 4370456), (38, 4255444), (74, 2185228), (76, 2127722), (148, 1092614), (152, 1063861), (296, 546307), (703, 230024), (1406, 115012), (2812, 57506), (5624, 28753)]