8020402

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:478

約数の個数: 24

約数和(自身を含む): 13274820

約数和(自身を除く): 5254418

約数列:

[1, 2, 13, 26, 61, 122, 169, 338, 389, 778, 793, 1586, 5057, 10114, 10309, 20618, 23729, 47458, 65741, 131482, 308477, 616954, 4010201, 8020402]

約数ペア:

[(1, 8020402), (2, 4010201), (13, 616954), (26, 308477), (61, 131482), (122, 65741), (169, 47458), (338, 23729), (389, 20618), (778, 10309), (793, 10114), (1586, 5057)]