998478

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 2476656

約数和(自身を除く): 1478178

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 251, 306, 442, 502, 663, 753, 1326, 1506, 1989, 2259, 3263, 3978, 4267, 4518, 6526, 8534, 9789, 12801, 19578, 25602, 29367, 38403, 55471, 58734, 76806, 110942, 166413, 332826, 499239, 998478]

約数ペア:

[(1, 998478), (2, 499239), (3, 332826), (6, 166413), (9, 110942), (13, 76806), (17, 58734), (18, 55471), (26, 38403), (34, 29367), (39, 25602), (51, 19578), (78, 12801), (102, 9789), (117, 8534), (153, 6526), (221, 4518), (234, 4267), (251, 3978), (306, 3263), (442, 2259), (502, 1989), (663, 1506), (753, 1326)]