206515978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{683}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 334065600

約数和(自身を除く): 127549622

約数列:

[1, 2, 19, 38, 73, 109, 146, 218, 683, 1366, 1387, 2071, 2774, 4142, 7957, 12977, 15914, 25954, 49859, 74447, 99718, 148894, 151183, 302366, 947321, 1414493, 1894642, 2828986, 5434631, 10869262, 103257989, 206515978]

約数ペア:

[(1, 206515978), (2, 103257989), (19, 10869262), (38, 5434631), (73, 2828986), (109, 1894642), (146, 1414493), (218, 947321), (683, 302366), (1366, 151183), (1387, 148894), (2071, 99718), (2774, 74447), (4142, 49859), (7957, 25954), (12977, 15914)]