27775748

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1$

素因数の和:1033

約数の個数: 72

約数和(自身を含む): 66495744

約数和(自身を除く): 38719996

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 143, 154, 182, 196, 286, 308, 364, 539, 572, 637, 991, 1001, 1078, 1274, 1982, 2002, 2156, 2548, 3964, 4004, 6937, 7007, 10901, 12883, 13874, 14014, 21802, 25766, 27748, 28028, 43604, 48559, 51532, 76307, 90181, 97118, 141713, 152614, 180362, 194236, 283426, 305228, 360724, 534149, 566852, 631267, 991991, 1068298, 1262534, 1983982, 2136596, 2525068, 3967964, 6943937, 13887874, 27775748]

約数ペア:

[(1, 27775748), (2, 13887874), (4, 6943937), (7, 3967964), (11, 2525068), (13, 2136596), (14, 1983982), (22, 1262534), (26, 1068298), (28, 991991), (44, 631267), (49, 566852), (52, 534149), (77, 360724), (91, 305228), (98, 283426), (143, 194236), (154, 180362), (182, 152614), (196, 141713), (286, 97118), (308, 90181), (364, 76307), (539, 51532), (572, 48559), (637, 43604), (991, 28028), (1001, 27748), (1078, 25766), (1274, 21802), (1982, 14014), (2002, 13874), (2156, 12883), (2548, 10901), (3964, 7007), (4004, 6937)]