2140278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 4942080

約数和(自身を除く): 2801802

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 131, 262, 389, 393, 778, 786, 917, 1167, 1834, 2334, 2723, 2751, 5446, 5502, 8169, 16338, 50959, 101918, 152877, 305754, 356713, 713426, 1070139, 2140278]

約数ペア:

[(1, 2140278), (2, 1070139), (3, 713426), (6, 356713), (7, 305754), (14, 152877), (21, 101918), (42, 50959), (131, 16338), (262, 8169), (389, 5502), (393, 5446), (778, 2751), (786, 2723), (917, 2334), (1167, 1834)]