2811438

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 7109856

約数和(自身を除く): 4298418

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 53, 63, 106, 126, 159, 318, 371, 421, 477, 742, 842, 954, 1113, 1263, 2226, 2526, 2947, 3339, 3789, 5894, 6678, 7578, 8841, 17682, 22313, 26523, 44626, 53046, 66939, 133878, 156191, 200817, 312382, 401634, 468573, 937146, 1405719, 2811438]

約数ペア:

[(1, 2811438), (2, 1405719), (3, 937146), (6, 468573), (7, 401634), (9, 312382), (14, 200817), (18, 156191), (21, 133878), (42, 66939), (53, 53046), (63, 44626), (106, 26523), (126, 22313), (159, 17682), (318, 8841), (371, 7578), (421, 6678), (477, 5894), (742, 3789), (842, 3339), (954, 2947), (1113, 2526), (1263, 2226)]