253557356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{947}}^1$

素因数の和:1254

約数の個数: 48

約数和(自身を含む): 505397760

約数和(自身を除く): 251840404

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 271, 494, 542, 947, 988, 1084, 1894, 3523, 3788, 5149, 7046, 10298, 12311, 14092, 17993, 20596, 24622, 35986, 49244, 66937, 71972, 133874, 233909, 256637, 267748, 467818, 513274, 935636, 1026548, 3336281, 4876103, 6672562, 9752206, 13345124, 19504412, 63389339, 126778678, 253557356]

約数ペア:

[(1, 253557356), (2, 126778678), (4, 63389339), (13, 19504412), (19, 13345124), (26, 9752206), (38, 6672562), (52, 4876103), (76, 3336281), (247, 1026548), (271, 935636), (494, 513274), (542, 467818), (947, 267748), (988, 256637), (1084, 233909), (1894, 133874), (3523, 71972), (3788, 66937), (5149, 49244), (7046, 35986), (10298, 24622), (12311, 20596), (14092, 17993)]