128213748

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{14419}}^1$

素因数の和:14461

約数の個数: 72

約数和(自身を含む): 367421600

約数和(自身を除く): 239207852

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 14419, 28838, 43257, 57676, 86514, 129771, 173028, 187447, 259542, 273961, 374894, 519084, 547922, 562341, 749788, 821883, 1095844, 1124682, 1643766, 1687023, 2249364, 2465649, 3287532, 3374046, 3561493, 4931298, 6748092, 7122986, 9862596, 10684479, 14245972, 21368958, 32053437, 42737916, 64106874, 128213748]

約数ペア:

[(1, 128213748), (2, 64106874), (3, 42737916), (4, 32053437), (6, 21368958), (9, 14245972), (12, 10684479), (13, 9862596), (18, 7122986), (19, 6748092), (26, 4931298), (36, 3561493), (38, 3374046), (39, 3287532), (52, 2465649), (57, 2249364), (76, 1687023), (78, 1643766), (114, 1124682), (117, 1095844), (156, 821883), (171, 749788), (228, 562341), (234, 547922), (247, 519084), (342, 374894), (468, 273961), (494, 259542), (684, 187447), (741, 173028), (988, 129771), (1482, 86514), (2223, 57676), (2964, 43257), (4446, 28838), (8892, 14419)]