1291004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 2770656

約数和(自身を除く): 1479652

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 61, 74, 122, 143, 148, 244, 286, 407, 481, 572, 671, 793, 814, 962, 1342, 1586, 1628, 1924, 2257, 2684, 3172, 4514, 5291, 8723, 9028, 10582, 17446, 21164, 24827, 29341, 34892, 49654, 58682, 99308, 117364, 322751, 645502, 1291004]

約数ペア:

[(1, 1291004), (2, 645502), (4, 322751), (11, 117364), (13, 99308), (22, 58682), (26, 49654), (37, 34892), (44, 29341), (52, 24827), (61, 21164), (74, 17446), (122, 10582), (143, 9028), (148, 8723), (244, 5291), (286, 4514), (407, 3172), (481, 2684), (572, 2257), (671, 1924), (793, 1628), (814, 1586), (962, 1342)]