28442128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 66995712

約数和(自身を除く): 38553584

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 176, 208, 248, 286, 341, 401, 403, 496, 572, 682, 802, 806, 1144, 1364, 1604, 1612, 2288, 2728, 3208, 3224, 4411, 4433, 5213, 5456, 6416, 6448, 8822, 8866, 10426, 12431, 17644, 17732, 20852, 24862, 35288, 35464, 41704, 49724, 57343, 70576, 70928, 83408, 99448, 114686, 136741, 161603, 198896, 229372, 273482, 323206, 458744, 546964, 646412, 917488, 1093928, 1292824, 1777633, 2187856, 2585648, 3555266, 7110532, 14221064, 28442128]

約数ペア:

[(1, 28442128), (2, 14221064), (4, 7110532), (8, 3555266), (11, 2585648), (13, 2187856), (16, 1777633), (22, 1292824), (26, 1093928), (31, 917488), (44, 646412), (52, 546964), (62, 458744), (88, 323206), (104, 273482), (124, 229372), (143, 198896), (176, 161603), (208, 136741), (248, 114686), (286, 99448), (341, 83408), (401, 70928), (403, 70576), (496, 57343), (572, 49724), (682, 41704), (802, 35464), (806, 35288), (1144, 24862), (1364, 20852), (1604, 17732), (1612, 17644), (2288, 12431), (2728, 10426), (3208, 8866), (3224, 8822), (4411, 6448), (4433, 6416), (5213, 5456)]