91021210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{68437}}^1$

素因数の和:68470

約数の個数: 32

約数和(自身を含む): 197101440

約数和(自身を除く): 106080230

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 68437, 136874, 342185, 479059, 684370, 958118, 1300303, 2395295, 2600606, 4790590, 6501515, 9102121, 13003030, 18204242, 45510605, 91021210]

約数ペア:

[(1, 91021210), (2, 45510605), (5, 18204242), (7, 13003030), (10, 9102121), (14, 6501515), (19, 4790590), (35, 2600606), (38, 2395295), (70, 1300303), (95, 958118), (133, 684370), (190, 479059), (266, 342185), (665, 136874), (1330, 68437)]