28179774

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 74880000

約数和(自身を除く): 46700226

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 79, 114, 126, 133, 149, 158, 171, 237, 266, 298, 342, 399, 447, 474, 553, 711, 798, 894, 1043, 1106, 1197, 1341, 1422, 1501, 1659, 2086, 2394, 2682, 2831, 3002, 3129, 3318, 4503, 4977, 5662, 6258, 8493, 9006, 9387, 9954, 10507, 11771, 13509, 16986, 18774, 19817, 21014, 23542, 25479, 27018, 31521, 35313, 39634, 50958, 59451, 63042, 70626, 82397, 94563, 105939, 118902, 164794, 178353, 189126, 211878, 223649, 247191, 356706, 447298, 494382, 670947, 741573, 1341894, 1483146, 1565543, 2012841, 3131086, 4025682, 4696629, 9393258, 14089887, 28179774]

約数ペア:

[(1, 28179774), (2, 14089887), (3, 9393258), (6, 4696629), (7, 4025682), (9, 3131086), (14, 2012841), (18, 1565543), (19, 1483146), (21, 1341894), (38, 741573), (42, 670947), (57, 494382), (63, 447298), (79, 356706), (114, 247191), (126, 223649), (133, 211878), (149, 189126), (158, 178353), (171, 164794), (237, 118902), (266, 105939), (298, 94563), (342, 82397), (399, 70626), (447, 63042), (474, 59451), (553, 50958), (711, 39634), (798, 35313), (894, 31521), (1043, 27018), (1106, 25479), (1197, 23542), (1341, 21014), (1422, 19817), (1501, 18774), (1659, 16986), (2086, 13509), (2394, 11771), (2682, 10507), (2831, 9954), (3002, 9387), (3129, 9006), (3318, 8493), (4503, 6258), (4977, 5662)]