28729090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{991}}^1$

素因数の和:1234

約数の個数: 32

約数和(自身を含む): 55996416

約数和(自身を除く): 27267326

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 223, 446, 991, 1115, 1982, 2230, 2899, 4955, 5798, 9910, 12883, 14495, 25766, 28990, 64415, 128830, 220993, 441986, 1104965, 2209930, 2872909, 5745818, 14364545, 28729090]

約数ペア:

[(1, 28729090), (2, 14364545), (5, 5745818), (10, 2872909), (13, 2209930), (26, 1104965), (65, 441986), (130, 220993), (223, 128830), (446, 64415), (991, 28990), (1115, 25766), (1982, 14495), (2230, 12883), (2899, 9910), (4955, 5798)]