81421102

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{641}}^1$

素因数の和:904

約数の個数: 32

約数和(自身を含む): 143725824

約数和(自身を除く): 62304722

約数列:

[1, 2, 7, 14, 43, 86, 211, 301, 422, 602, 641, 1282, 1477, 2954, 4487, 8974, 9073, 18146, 27563, 55126, 63511, 127022, 135251, 192941, 270502, 385882, 946757, 1893514, 5815793, 11631586, 40710551, 81421102]

約数ペア:

[(1, 81421102), (2, 40710551), (7, 11631586), (14, 5815793), (43, 1893514), (86, 946757), (211, 385882), (301, 270502), (422, 192941), (602, 135251), (641, 127022), (1282, 63511), (1477, 55126), (2954, 27563), (4487, 18146), (8974, 9073)]