1805388

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 4628736

約数和(自身を除く): 2823348

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 163, 213, 284, 326, 426, 489, 652, 852, 923, 978, 1846, 1956, 2119, 2769, 3692, 4238, 5538, 6357, 8476, 11076, 11573, 12714, 23146, 25428, 34719, 46292, 69438, 138876, 150449, 300898, 451347, 601796, 902694, 1805388]

約数ペア:

[(1, 1805388), (2, 902694), (3, 601796), (4, 451347), (6, 300898), (12, 150449), (13, 138876), (26, 69438), (39, 46292), (52, 34719), (71, 25428), (78, 23146), (142, 12714), (156, 11573), (163, 11076), (213, 8476), (284, 6357), (326, 5538), (426, 4238), (489, 3692), (652, 2769), (852, 2119), (923, 1956), (978, 1846)]