28873210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{809}}^1$

素因数の和:942

約数の個数: 32

約数和(自身を含む): 53887680

約数和(自身を除く): 25014470

約数列:

[1, 2, 5, 10, 43, 83, 86, 166, 215, 415, 430, 809, 830, 1618, 3569, 4045, 7138, 8090, 17845, 34787, 35690, 67147, 69574, 134294, 173935, 335735, 347870, 671470, 2887321, 5774642, 14436605, 28873210]

約数ペア:

[(1, 28873210), (2, 14436605), (5, 5774642), (10, 2887321), (43, 671470), (83, 347870), (86, 335735), (166, 173935), (215, 134294), (415, 69574), (430, 67147), (809, 35690), (830, 34787), (1618, 17845), (3569, 8090), (4045, 7138)]