25701858

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 73996416

約数和(自身を除く): 48294558

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 34, 39, 42, 51, 63, 71, 78, 91, 102, 117, 119, 126, 142, 153, 169, 182, 213, 221, 234, 238, 273, 306, 338, 357, 426, 442, 497, 507, 546, 639, 663, 714, 819, 923, 994, 1014, 1071, 1183, 1207, 1278, 1326, 1491, 1521, 1547, 1638, 1846, 1989, 2142, 2366, 2414, 2769, 2873, 2982, 3042, 3094, 3549, 3621, 3978, 4473, 4641, 5538, 5746, 6461, 7098, 7242, 8307, 8449, 8619, 8946, 9282, 10647, 10863, 11999, 12922, 13923, 15691, 16614, 16898, 17238, 19383, 20111, 21294, 21726, 23998, 25347, 25857, 27846, 31382, 35997, 38766, 40222, 47073, 50694, 51714, 58149, 60333, 71994, 76041, 83993, 94146, 107991, 109837, 116298, 120666, 141219, 152082, 167986, 180999, 203983, 215982, 219674, 251979, 282438, 329511, 361998, 407966, 503958, 611949, 659022, 755937, 988533, 1223898, 1427881, 1511874, 1835847, 1977066, 2855762, 3671694, 4283643, 8567286, 12850929, 25701858]

約数ペア:

[(1, 25701858), (2, 12850929), (3, 8567286), (6, 4283643), (7, 3671694), (9, 2855762), (13, 1977066), (14, 1835847), (17, 1511874), (18, 1427881), (21, 1223898), (26, 988533), (34, 755937), (39, 659022), (42, 611949), (51, 503958), (63, 407966), (71, 361998), (78, 329511), (91, 282438), (102, 251979), (117, 219674), (119, 215982), (126, 203983), (142, 180999), (153, 167986), (169, 152082), (182, 141219), (213, 120666), (221, 116298), (234, 109837), (238, 107991), (273, 94146), (306, 83993), (338, 76041), (357, 71994), (426, 60333), (442, 58149), (497, 51714), (507, 50694), (546, 47073), (639, 40222), (663, 38766), (714, 35997), (819, 31382), (923, 27846), (994, 25857), (1014, 25347), (1071, 23998), (1183, 21726), (1207, 21294), (1278, 20111), (1326, 19383), (1491, 17238), (1521, 16898), (1547, 16614), (1638, 15691), (1846, 13923), (1989, 12922), (2142, 11999), (2366, 10863), (2414, 10647), (2769, 9282), (2873, 8946), (2982, 8619), (3042, 8449), (3094, 8307), (3549, 7242), (3621, 7098), (3978, 6461), (4473, 5746), (4641, 5538)]