2821428

素因数分解:

$2^2\times 3^2\times {\mathrm{181}}^1\times {\mathrm{433}}^1$

素因数の和:624

約数の個数: 36

約数和(自身を含む): 7187908

約数和(自身を除く): 4366480

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 181, 362, 433, 543, 724, 866, 1086, 1299, 1629, 1732, 2172, 2598, 3258, 3897, 5196, 6516, 7794, 15588, 78373, 156746, 235119, 313492, 470238, 705357, 940476, 1410714, 2821428]

約数ペア:

[(1, 2821428), (2, 1410714), (3, 940476), (4, 705357), (6, 470238), (9, 313492), (12, 235119), (18, 156746), (36, 78373), (181, 15588), (362, 7794), (433, 6516), (543, 5196), (724, 3897), (866, 3258), (1086, 2598), (1299, 2172), (1629, 1732)]