489330722

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1249}}^1$

素因数の和:1442

約数の個数: 32

約数和(自身を含む): 777600000

約数和(自身を除く): 288269278

約数列:

[1, 2, 31, 62, 71, 89, 142, 178, 1249, 2201, 2498, 2759, 4402, 5518, 6319, 12638, 38719, 77438, 88679, 111161, 177358, 195889, 222322, 391778, 2749049, 3445991, 5498098, 6891982, 7892431, 15784862, 244665361, 489330722]

約数ペア:

[(1, 489330722), (2, 244665361), (31, 15784862), (62, 7892431), (71, 6891982), (89, 5498098), (142, 3445991), (178, 2749049), (1249, 391778), (2201, 222322), (2498, 195889), (2759, 177358), (4402, 111161), (5518, 88679), (6319, 77438), (12638, 38719)]