8420724

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:989

約数の個数: 72

約数和(自身を含む): 24155040

約数和(自身を除く): 15734316

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, 947, 988, 1482, 1894, 2223, 2841, 2964, 3788, 4446, 5682, 8523, 8892, 11364, 12311, 17046, 17993, 24622, 34092, 35986, 36933, 49244, 53979, 71972, 73866, 107958, 110799, 147732, 161937, 215916, 221598, 233909, 323874, 443196, 467818, 647748, 701727, 935636, 1403454, 2105181, 2806908, 4210362, 8420724]

約数ペア:

[(1, 8420724), (2, 4210362), (3, 2806908), (4, 2105181), (6, 1403454), (9, 935636), (12, 701727), (13, 647748), (18, 467818), (19, 443196), (26, 323874), (36, 233909), (38, 221598), (39, 215916), (52, 161937), (57, 147732), (76, 110799), (78, 107958), (114, 73866), (117, 71972), (156, 53979), (171, 49244), (228, 36933), (234, 35986), (247, 34092), (342, 24622), (468, 17993), (494, 17046), (684, 12311), (741, 11364), (947, 8892), (988, 8523), (1482, 5682), (1894, 4446), (2223, 3788), (2841, 2964)]