281185996

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{24919}}^1$

素因数の和:24974

約数の個数: 48

約数和(自身を含む): 625192960

約数和(自身を除く): 344006964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 24919, 49838, 99676, 174433, 323947, 348866, 647894, 697732, 772489, 1295788, 1544978, 2267629, 3089956, 4535258, 5407423, 9070516, 10042357, 10814846, 20084714, 21629692, 40169428, 70296499, 140592998, 281185996]

約数ペア:

[(1, 281185996), (2, 140592998), (4, 70296499), (7, 40169428), (13, 21629692), (14, 20084714), (26, 10814846), (28, 10042357), (31, 9070516), (52, 5407423), (62, 4535258), (91, 3089956), (124, 2267629), (182, 1544978), (217, 1295788), (364, 772489), (403, 697732), (434, 647894), (806, 348866), (868, 323947), (1612, 174433), (2821, 99676), (5642, 49838), (11284, 24919)]