1981290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 4792896

約数和(自身を除く): 2811606

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 211, 313, 422, 626, 633, 939, 1055, 1266, 1565, 1878, 2110, 3130, 3165, 4695, 6330, 9390, 66043, 132086, 198129, 330215, 396258, 660430, 990645, 1981290]

約数ペア:

[(1, 1981290), (2, 990645), (3, 660430), (5, 396258), (6, 330215), (10, 198129), (15, 132086), (30, 66043), (211, 9390), (313, 6330), (422, 4695), (626, 3165), (633, 3130), (939, 2110), (1055, 1878), (1266, 1565)]