1277696972

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{563}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 2326351104

約数和(自身を除く): 1048654132

約数列:

[1, 2, 4, 61, 71, 122, 131, 142, 244, 262, 284, 524, 563, 1126, 2252, 4331, 7991, 8662, 9301, 15982, 17324, 18602, 31964, 34343, 37204, 39973, 68686, 73753, 79946, 137372, 147506, 159892, 295012, 567361, 1134722, 2269444, 2438353, 4498933, 4876706, 5236463, 8997866, 9753412, 10472926, 17995732, 20945852, 319424243, 638848486, 1277696972]

約数ペア:

[(1, 1277696972), (2, 638848486), (4, 319424243), (61, 20945852), (71, 17995732), (122, 10472926), (131, 9753412), (142, 8997866), (244, 5236463), (262, 4876706), (284, 4498933), (524, 2438353), (563, 2269444), (1126, 1134722), (2252, 567361), (4331, 295012), (7991, 159892), (8662, 147506), (9301, 137372), (15982, 79946), (17324, 73753), (18602, 68686), (31964, 39973), (34343, 37204)]