2005328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:363

約数の個数: 40

約数和(自身を含む): 4333056

約数和(自身を除く): 2327728

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 311, 403, 496, 622, 806, 1244, 1612, 2488, 3224, 4043, 4976, 6448, 8086, 9641, 16172, 19282, 32344, 38564, 64688, 77128, 125333, 154256, 250666, 501332, 1002664, 2005328]

約数ペア:

[(1, 2005328), (2, 1002664), (4, 501332), (8, 250666), (13, 154256), (16, 125333), (26, 77128), (31, 64688), (52, 38564), (62, 32344), (104, 19282), (124, 16172), (208, 9641), (248, 8086), (311, 6448), (403, 4976), (496, 4043), (622, 3224), (806, 2488), (1244, 1612)]