129181874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:858

約数の個数: 32

約数和(自身を含む): 211310400

約数和(自身を除く): 82128526

約数列:

[1, 2, 19, 37, 38, 74, 139, 278, 661, 703, 1322, 1406, 2641, 5143, 5282, 10286, 12559, 24457, 25118, 48914, 91879, 97717, 183758, 195434, 464683, 929366, 1745701, 3399523, 3491402, 6799046, 64590937, 129181874]

約数ペア:

[(1, 129181874), (2, 64590937), (19, 6799046), (37, 3491402), (38, 3399523), (74, 1745701), (139, 929366), (278, 464683), (661, 195434), (703, 183758), (1322, 97717), (1406, 91879), (2641, 48914), (5143, 25118), (5282, 24457), (10286, 12559)]