208709748

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{709}}^1$

素因数の和:786

約数の個数: 144

約数和(自身を含む): 618705360

約数和(自身を除く): 409995612

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 37, 39, 51, 52, 68, 74, 78, 102, 111, 117, 148, 153, 156, 204, 221, 222, 234, 306, 333, 442, 444, 468, 481, 612, 629, 663, 666, 709, 884, 962, 1258, 1326, 1332, 1418, 1443, 1887, 1924, 1989, 2127, 2516, 2652, 2836, 2886, 3774, 3978, 4254, 4329, 5661, 5772, 6381, 7548, 7956, 8177, 8508, 8658, 9217, 11322, 12053, 12762, 16354, 17316, 18434, 22644, 24106, 24531, 25524, 26233, 27651, 32708, 36159, 36868, 48212, 49062, 52466, 55302, 72318, 73593, 78699, 82953, 98124, 104932, 108477, 110604, 144636, 147186, 156689, 157398, 165906, 216954, 236097, 294372, 313378, 314796, 331812, 341029, 433908, 445961, 470067, 472194, 626756, 682058, 891922, 940134, 944388, 1023087, 1337883, 1364116, 1410201, 1783844, 1880268, 2046174, 2675766, 2820402, 3069261, 4013649, 4092348, 5351532, 5640804, 5797493, 6138522, 8027298, 11594986, 12277044, 16054596, 17392479, 23189972, 34784958, 52177437, 69569916, 104354874, 208709748]

約数ペア:

[(1, 208709748), (2, 104354874), (3, 69569916), (4, 52177437), (6, 34784958), (9, 23189972), (12, 17392479), (13, 16054596), (17, 12277044), (18, 11594986), (26, 8027298), (34, 6138522), (36, 5797493), (37, 5640804), (39, 5351532), (51, 4092348), (52, 4013649), (68, 3069261), (74, 2820402), (78, 2675766), (102, 2046174), (111, 1880268), (117, 1783844), (148, 1410201), (153, 1364116), (156, 1337883), (204, 1023087), (221, 944388), (222, 940134), (234, 891922), (306, 682058), (333, 626756), (442, 472194), (444, 470067), (468, 445961), (481, 433908), (612, 341029), (629, 331812), (663, 314796), (666, 313378), (709, 294372), (884, 236097), (962, 216954), (1258, 165906), (1326, 157398), (1332, 156689), (1418, 147186), (1443, 144636), (1887, 110604), (1924, 108477), (1989, 104932), (2127, 98124), (2516, 82953), (2652, 78699), (2836, 73593), (2886, 72318), (3774, 55302), (3978, 52466), (4254, 49062), (4329, 48212), (5661, 36868), (5772, 36159), (6381, 32708), (7548, 27651), (7956, 26233), (8177, 25524), (8508, 24531), (8658, 24106), (9217, 22644), (11322, 18434), (12053, 17316), (12762, 16354)]