4138970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 8211456

約数和(自身を除く): 4072486

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191, 197, 382, 394, 955, 985, 1910, 1970, 2101, 2167, 4202, 4334, 10505, 10835, 21010, 21670, 37627, 75254, 188135, 376270, 413897, 827794, 2069485, 4138970]

約数ペア:

[(1, 4138970), (2, 2069485), (5, 827794), (10, 413897), (11, 376270), (22, 188135), (55, 75254), (110, 37627), (191, 21670), (197, 21010), (382, 10835), (394, 10505), (955, 4334), (985, 4202), (1910, 2167), (1970, 2101)]