258752

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:336

約数の個数: 28

約数和(自身を含む): 554736

約数和(自身を除く): 295984

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 311, 416, 622, 832, 1244, 2488, 4043, 4976, 8086, 9952, 16172, 19904, 32344, 64688, 129376, 258752]

約数ペア:

[(1, 258752), (2, 129376), (4, 64688), (8, 32344), (13, 19904), (16, 16172), (26, 9952), (32, 8086), (52, 4976), (64, 4043), (104, 2488), (208, 1244), (311, 832), (416, 622)]