2581572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 6995072

約数和(自身を除く): 4413500

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 73, 84, 146, 219, 292, 421, 438, 511, 842, 876, 1022, 1263, 1533, 1684, 2044, 2526, 2947, 3066, 5052, 5894, 6132, 8841, 11788, 17682, 30733, 35364, 61466, 92199, 122932, 184398, 215131, 368796, 430262, 645393, 860524, 1290786, 2581572]

約数ペア:

[(1, 2581572), (2, 1290786), (3, 860524), (4, 645393), (6, 430262), (7, 368796), (12, 215131), (14, 184398), (21, 122932), (28, 92199), (42, 61466), (73, 35364), (84, 30733), (146, 17682), (219, 11788), (292, 8841), (421, 6132), (438, 5894), (511, 5052), (842, 3066), (876, 2947), (1022, 2526), (1263, 2044), (1533, 1684)]