51721168

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{269}}^1$

素因数の和:535

約数の個数: 40

約数和(自身を含む): 102750120

約数和(自身を除く): 51028952

約数列:

[1, 2, 4, 8, 16, 61, 122, 197, 244, 269, 394, 488, 538, 788, 976, 1076, 1576, 2152, 3152, 4304, 12017, 16409, 24034, 32818, 48068, 52993, 65636, 96136, 105986, 131272, 192272, 211972, 262544, 423944, 847888, 3232573, 6465146, 12930292, 25860584, 51721168]

約数ペア:

[(1, 51721168), (2, 25860584), (4, 12930292), (8, 6465146), (16, 3232573), (61, 847888), (122, 423944), (197, 262544), (244, 211972), (269, 192272), (394, 131272), (488, 105986), (538, 96136), (788, 65636), (976, 52993), (1076, 48068), (1576, 32818), (2152, 24034), (3152, 16409), (4304, 12017)]