397768254

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{164503}}^1$

素因数の和:164552

約数の個数: 32

約数和(自身を含む): 884373504

約数和(自身を除く): 486605250

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 164503, 329006, 493509, 987018, 2138539, 4277078, 5099593, 6415617, 10199186, 12831234, 15298779, 30597558, 66294709, 132589418, 198884127, 397768254]

約数ペア:

[(1, 397768254), (2, 198884127), (3, 132589418), (6, 66294709), (13, 30597558), (26, 15298779), (31, 12831234), (39, 10199186), (62, 6415617), (78, 5099593), (93, 4277078), (186, 2138539), (403, 987018), (806, 493509), (1209, 329006), (2418, 164503)]