201542992

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{20219}}^1$

素因数の和:20323

約数の個数: 40

約数和(自身を含む): 451310400

約数和(自身を除く): 249767408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 20219, 40438, 80876, 141533, 161752, 283066, 323504, 566132, 1132264, 1799491, 2264528, 3598982, 7197964, 12596437, 14395928, 25192874, 28791856, 50385748, 100771496, 201542992]

約数ペア:

[(1, 201542992), (2, 100771496), (4, 50385748), (7, 28791856), (8, 25192874), (14, 14395928), (16, 12596437), (28, 7197964), (56, 3598982), (89, 2264528), (112, 1799491), (178, 1132264), (356, 566132), (623, 323504), (712, 283066), (1246, 161752), (1424, 141533), (2492, 80876), (4984, 40438), (9968, 20219)]