86965628

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{2203}}^1$

素因数の和:2417

約数の個数: 24

約数和(自身を含む): 155514240

約数和(自身を除く): 68548612

約数列:

[1, 2, 4, 71, 139, 142, 278, 284, 556, 2203, 4406, 8812, 9869, 19738, 39476, 156413, 306217, 312826, 612434, 625652, 1224868, 21741407, 43482814, 86965628]

約数ペア:

[(1, 86965628), (2, 43482814), (4, 21741407), (71, 1224868), (139, 625652), (142, 612434), (278, 312826), (284, 306217), (556, 156413), (2203, 39476), (4406, 19738), (8812, 9869)]