28126868

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 65802240

約数和(自身を除く): 37675372

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 47, 58, 67, 77, 94, 116, 134, 154, 188, 203, 268, 308, 319, 329, 406, 469, 517, 638, 658, 737, 812, 938, 1034, 1276, 1316, 1363, 1474, 1876, 1943, 2068, 2233, 2726, 2948, 3149, 3619, 3886, 4466, 5159, 5452, 6298, 7238, 7772, 8932, 9541, 10318, 12596, 13601, 14476, 14993, 19082, 20636, 21373, 22043, 27202, 29986, 34639, 38164, 42746, 44086, 54404, 59972, 69278, 85492, 88172, 91321, 104951, 138556, 149611, 182642, 209902, 242473, 299222, 365284, 419804, 484946, 598444, 639247, 969892, 1004531, 1278494, 2009062, 2556988, 4018124, 7031717, 14063434, 28126868]

約数ペア:

[(1, 28126868), (2, 14063434), (4, 7031717), (7, 4018124), (11, 2556988), (14, 2009062), (22, 1278494), (28, 1004531), (29, 969892), (44, 639247), (47, 598444), (58, 484946), (67, 419804), (77, 365284), (94, 299222), (116, 242473), (134, 209902), (154, 182642), (188, 149611), (203, 138556), (268, 104951), (308, 91321), (319, 88172), (329, 85492), (406, 69278), (469, 59972), (517, 54404), (638, 44086), (658, 42746), (737, 38164), (812, 34639), (938, 29986), (1034, 27202), (1276, 22043), (1316, 21373), (1363, 20636), (1474, 19082), (1876, 14993), (1943, 14476), (2068, 13601), (2233, 12596), (2726, 10318), (2948, 9541), (3149, 8932), (3619, 7772), (3886, 7238), (4466, 6298), (5159, 5452)]