128562518

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^2$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 235631616

約数和(自身を除く): 107069098

約数列:

[1, 2, 7, 14, 31, 43, 62, 83, 86, 166, 217, 301, 434, 581, 602, 1162, 1333, 2573, 2666, 3569, 5146, 6889, 7138, 9331, 13778, 18011, 18662, 24983, 36022, 48223, 49966, 96446, 110639, 213559, 221278, 296227, 427118, 592454, 774473, 1494913, 1548946, 2073589, 2989826, 4147178, 9183037, 18366074, 64281259, 128562518]

約数ペア:

[(1, 128562518), (2, 64281259), (7, 18366074), (14, 9183037), (31, 4147178), (43, 2989826), (62, 2073589), (83, 1548946), (86, 1494913), (166, 774473), (217, 592454), (301, 427118), (434, 296227), (581, 221278), (602, 213559), (1162, 110639), (1333, 96446), (2573, 49966), (2666, 48223), (3569, 36022), (5146, 24983), (6889, 18662), (7138, 18011), (9331, 13778)]