680578384

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{438517}}^1$

素因数の和:438622

約数の個数: 20

約数和(自身を含む): 1332217684

約数和(自身を除く): 651639300

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 438517, 877034, 1754068, 3508136, 7016272, 42536149, 85072298, 170144596, 340289192, 680578384]

約数ペア:

[(1, 680578384), (2, 340289192), (4, 170144596), (8, 85072298), (16, 42536149), (97, 7016272), (194, 3508136), (388, 1754068), (776, 877034), (1552, 438517)]