1644426

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 4213248

約数和(自身を除く): 2568822

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 421, 434, 558, 651, 842, 1263, 1302, 1953, 2526, 2947, 3789, 3906, 5894, 7578, 8841, 13051, 17682, 26102, 26523, 39153, 53046, 78306, 91357, 117459, 182714, 234918, 274071, 548142, 822213, 1644426]

約数ペア:

[(1, 1644426), (2, 822213), (3, 548142), (6, 274071), (7, 234918), (9, 182714), (14, 117459), (18, 91357), (21, 78306), (31, 53046), (42, 39153), (62, 26523), (63, 26102), (93, 17682), (126, 13051), (186, 8841), (217, 7578), (279, 5894), (421, 3906), (434, 3789), (558, 2947), (651, 2526), (842, 1953), (1263, 1302)]