408745168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{63391}}^1$

素因数の和:63443

約数の個数: 40

約数和(自身を含む): 880388096

約数和(自身を除く): 471642928

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 63391, 126782, 253564, 507128, 824083, 1014256, 1648166, 1965121, 3296332, 3930242, 6592664, 7860484, 13185328, 15720968, 25546573, 31441936, 51093146, 102186292, 204372584, 408745168]

約数ペア:

[(1, 408745168), (2, 204372584), (4, 102186292), (8, 51093146), (13, 31441936), (16, 25546573), (26, 15720968), (31, 13185328), (52, 7860484), (62, 6592664), (104, 3930242), (124, 3296332), (208, 1965121), (248, 1648166), (403, 1014256), (496, 824083), (806, 507128), (1612, 253564), (3224, 126782), (6448, 63391)]