164021165

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{18523}}^1$

素因数の和:18569

約数の個数: 32

約数和(自身を含む): 256075776

約数和(自身を除く): 92054611

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 8855, 18523, 92615, 129661, 203753, 426029, 648305, 1018765, 1426271, 2130145, 2982203, 4686319, 7131355, 14911015, 23431595, 32804233, 164021165]

約数ペア:

[(1, 164021165), (5, 32804233), (7, 23431595), (11, 14911015), (23, 7131355), (35, 4686319), (55, 2982203), (77, 2130145), (115, 1426271), (161, 1018765), (253, 648305), (385, 426029), (805, 203753), (1265, 129661), (1771, 92615), (8855, 18523)]