28116088

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3511}}^1$

素因数の和:3548

約数の個数: 64

約数和(自身を含む): 70801920

約数和(自身を除く): 42685832

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 3511, 4004, 7022, 8008, 14044, 24577, 28088, 38621, 45643, 49154, 77242, 91286, 98308, 154484, 182572, 196616, 270347, 308968, 319501, 365144, 502073, 540694, 639002, 1004146, 1081388, 1278004, 2008292, 2162776, 2556008, 3514511, 4016584, 7029022, 14058044, 28116088]

約数ペア:

[(1, 28116088), (2, 14058044), (4, 7029022), (7, 4016584), (8, 3514511), (11, 2556008), (13, 2162776), (14, 2008292), (22, 1278004), (26, 1081388), (28, 1004146), (44, 639002), (52, 540694), (56, 502073), (77, 365144), (88, 319501), (91, 308968), (104, 270347), (143, 196616), (154, 182572), (182, 154484), (286, 98308), (308, 91286), (364, 77242), (572, 49154), (616, 45643), (728, 38621), (1001, 28088), (1144, 24577), (2002, 14044), (3511, 8008), (4004, 7022)]